| Cyperus aberdarensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus abnormis Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus absconditicoronatus Bauters, Reynders & Goetgh. | Accepted |  | WCSP |  | 
	
		| Cyperus abyssinicus Hochst. ex A.Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus acaulis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus achalensis Hieron. | Unresolved |  | TRO |  | 
	
		| Cyperus acholiensis Larridon | Accepted |  | WCSP |  | 
	
		| Cyperus acicularis (Schrad. ex Nees) Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus acicularis (L.) With. | Synonym |  | WCSP |  | 
	
		| Cyperus actinostachys Welw. ex Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus acuminatus Torr. & Hook. | Accepted |  | WCSP |  | 
	
		| Cyperus acuminatus var. cyrtolepis (Torr. & Hook.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus acutangulus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus acuticarinatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus acutiflorus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus acutiusculus Lag. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus acutus R.Br. | Synonym |  | WCSP |  | 
	
		| Cyperus adamii Raymond | Synonym |  | WCSP |  | 
	
		| Cyperus adansonii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus adenophorus Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus adenophorus Schrad. | Synonym |  | TRO |  | 
	
		| Cyperus adenophorus var. aphyllus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus adoensis Hochst. ex A.Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus adscendens Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus adustus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus aegyptiacus Gloxin | Synonym |  | WCSP |  | 
	
		| Cyperus aequalis C.Krauss [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus aequalis Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus aequalis var. subaequalis (Baker) Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus aethiops Welw. ex Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus aethiops var. aberdarensis (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aethiops var. tessmannii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus affinis Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus afroalpinus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus afrodunensis Lye | Accepted |  | WCSP |  | 
	
		| Cyperus afroechinatus Lye | Synonym |  | WCSP |  | 
	
		| Cyperus afromontanus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus afropumilus (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus afrovaricus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus afzelii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus aggregatus (Willd.) Endl. | Accepted |  | WCSP |  | 
	
		| Cyperus aggregatus var. aggregatus | Synonym |  | WCSP |  | 
	
		| Cyperus aggregatus var. gigas (Lindm.) Guagl. | Accepted |  | WCSP |  | 
	
		| Cyperus agrestis Willd. ex Spreng. & Link | Synonym |  | WCSP |  | 
	
		| Cyperus aitonii Spreng. | Synonym |  | WCSP |  | 
	
		| Cyperus ajax C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus alaticaulis R.Booth, D.J.Moore & Hodgon | Accepted |  | WCSP |  | 
	
		| Cyperus alatus (Nees) F.Muell. | Synonym |  | WCSP |  | 
	
		| Cyperus alatus subsp. albus (Nees) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus alatus subsp. ascolepidioides (Cherm.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus alatus subsp. controversus (Steud.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus alatus var. serratus Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus alba-purpureus (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus albiceps Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus albidus Retz. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus albidus Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus albiflorus Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus albogracilis (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus albomarginatus (C.B.Clarke) K.Schum. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus albomarginatus (Mart. & Schrad. ex Nees) Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus albomarginatus var. pachyanthemos Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus albomarginatus var. sabulosus (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus albomarginatus var. tenuis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus albopilosus (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus albopurpureus Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus albosanguineus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus albostriatus Schrad. | Accepted |  | WCSP |  | 
	
		| Cyperus albostriatus var. mossii (Turrill) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus alboviridis C.B. Clarke ex Scott-Elliot | Synonym |  | TRO |  | 
	
		| Cyperus albus J.Presl & C.Presl | Accepted |  | WCSP |  | 
	
		| Cyperus algeriensis Väre & Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus alleizettei (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus almensis D.A.Simpson | Accepted |  | WCSP |  | 
	
		| Cyperus alopecuroides Thunb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus alopecuroides Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus alopecuroides J.Koenig ex Roxb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus alopecuroides var. digynus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus alopecuroides var. dives Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus alopecuroides var. dives Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus alopecuroides f. latifolius A.Peter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus alopecuroides var. microstachys Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus alopecuroides f. pallidiflorus (Peter) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus alpestris K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus alpinus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus alterniflorus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus alterniflorus Schwein. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus alternifolius L. | Accepted |  | WCSP |  | 
	
		| Cyperus alternifolius Steud. [Spelling variant] | Synonym |  | WCSP |  | 
	
		| Cyperus alternifolius var. albovariegatus auct. | Synonym |  | WCSP |  | 
	
		| Cyperus alternifolius subsp. flabelliformis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus alternifolius var. flabelliformis (Rottb.) M.R.Almeida | Synonym |  | WCSP |  | 
	
		| Cyperus alternifolius var. obtusangulum (Boeckeler) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus alternifolius var. petersianus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus altochrysocephalus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus altomicroglumis Lye | Accepted |  | WCSP |  | 
	
		| Cyperus altsonii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus altus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus alulatus J.Kern | Accepted |  | WCSP |  | 
	
		| Cyperus alvesii G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus amabilis Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus amabilis var. amabilis | Synonym |  | TRO |  | 
	
		| Cyperus amabilis var. macra C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus amabilis var. macrostachyus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus amabilis var. oligostachyus (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus amabilis var. pseudocastaneus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus amabilis var. subacaulis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus amane Siebold | Synonym |  | WCSP |  | 
	
		| Cyperus amauropus Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus ambiguus Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus ambiguus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus amblyleptos Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus ambongensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus amentaceus Rudge | Synonym |  | WCSP |  | 
	
		| Cyperus americanus Garsault [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus americanus (Boeckeler) Palla [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus amnicola Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus amoenus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus amomodorus K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus amoyensis Hance | Synonym |  | WCSP |  | 
	
		| Cyperus amphekes Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus amphibolus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus amplissimus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus amplus G.C.Tucker | Synonym |  | WCSP |  | 
	
		| Cyperus × amuricocompressus T.Koyama [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus × amuricoides T.Koyama [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus amuricus Maxim. | Accepted |  | WCSP |  | 
	
		| Cyperus amuricus var. japonicus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus amuricus f. nanus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus amuricus f. perdebilis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus amuricus var. pterygorrachis (H.Lév.) Ohwi | Synonym |  | WCSP |  | 
	
		| Cyperus amuricus var. subiroides Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus amuricus var. textorii (Miq.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus anabaptistus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus anceps Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus anceps Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus andersonianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus anderssonii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus andinus Palla ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus andongensis Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus andreanus Maury | Synonym |  | WCSP |  | 
	
		| Cyperus andreanus var. capitinduensis (Maury ex Micheli) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus andreanus var. excelsior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus andreanus var. foliosissimus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus andreanus var. yguazensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus andrewsii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus androhibensis D.A.Simpson | Accepted |  | WCSP |  | 
	
		| Cyperus andschoa A.Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus angolensis Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus angolensis var. ampibulbus A.Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus angulatus W.Watson [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus angulatus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus angustatus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus angustatus Thunb. ex Spreng. & Link [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus angustatus var. betchei Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus angustifolius A.Dietr. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus angustifolius Schumach. | Synonym |  | WCSP |  | 
	
		| Cyperus angustifolius Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus anisitsii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus anisos Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus anisostachyos Willd. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus ankaizinensis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus ankaratrensis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus annuus Willd. ex Kunth [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus annuus Spreng. & Link | Synonym |  | WCSP |  | 
	
		| Cyperus anomalus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus antillanus (Kük.) O'Neill | Accepted |  | WCSP |  | 
	
		| Cyperus antiquorum (Willd.) Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus antiquorum var. palaestinae Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus apatris Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus aphyllus Hassk. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus aphyllus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus aphyllus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus aphyllus (Vahl) F.Muell. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus apiculatus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus apiculatus var. latifolius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus appendiculatus (Brongn.) Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus appendiculatus var. appendiculatus | Synonym |  | WCSP |  | 
	
		| Cyperus appendiculatus var. atlanticus (Hemsl.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus appendiculatus var. gordonii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus appendiculatus var. noronhae (Ridl.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus apricus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus aquatilis R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus aquatilis F.Muell. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus arabicus Ehrenb. ex Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus araeus Phil. | Synonym |  | WCSP |  | 
	
		| Cyperus arcuatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus arechavaletae Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus arenarius Salzm. ex Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus arenarius Hance ex C.B.Clarke [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus arenarius Retz. | Accepted |  | WCSP |  | 
	
		| Cyperus arenicola Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus areolatus R.Br. | Synonym |  | WCSP |  | 
	
		| Cyperus argenteus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus argentinus C.B.Clarke [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus argentinus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus argyraeus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus aridicola (Domin) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus Rottb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus aristatus Hook.f. & Thomson ex C.B.Clarke [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus f. falciculosus (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus var. floribundus E.G.Camus | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus var. inflexus (Muhl.) Boeckeler ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus f. inflexus (Muhl.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus var. maingayi C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus var. perennis M.E.Jones | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus var. runyonii O'Neill | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus var. semiglobosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aristatus var. versicolor (Nees) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus armstrongii Benth. | Accepted |  | WCSP |  | 
	
		| Cyperus aromaticus (Ridl.) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aromaticus var. brachyrhizomatosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aromaticus var. elatior (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aromaticus var. elatus (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aromaticus var. repens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aromaticus var. teres (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus arrojadii H. Pfeiff. | Unresolved |  | TRO |  | 
	
		| Cyperus arsenei O'Neill & Ben.Ayers | Accepted |  | WCSP |  | 
	
		| Cyperus arsitatus var. perennis M.E.Jones | Synonym |  | WCSP |  | 
	
		| Cyperus articulatus Benth. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus articulatus L. | Accepted |  | WCSP |  | 
	
		| Cyperus articulatus var. articulatus | Synonym |  | TRO |  | 
	
		| Cyperus articulatus var. conglomeratus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus articulatus var. erythrostachys Graebn. | Synonym |  | WCSP |  | 
	
		| Cyperus articulatus var. fistulosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus articulatus f. longispiculosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus articulatus var. multiflorus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus articulatus var. nodosus (Humb. & Bonpl. ex Willd.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus arundinaceus L. | Synonym |  | WCSP |  | 
	
		| Cyperus aschenbornianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ascolepidioides (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus asper (Liebm.) O'Neill | Synonym |  | WCSP |  | 
	
		| Cyperus asperifolius Desf. | Synonym |  | WCSP |  | 
	
		| Cyperus asperrimus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus asperrimus var. multiflorus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus assimilis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus assimilis var. depressa Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus astartodes K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus aster (C.B.Clarke ex Cherm.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus aster var. andringitrensis (Cherm.) A.Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aster var. aster | Synonym |  | WCSP |  | 
	
		| Cyperus ater Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus ater Dalzell & A.Gibson [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus aterrimus Hochst. ex Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus aterrimus var. agglomeratus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aterrimus var. atroviridis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus atkinsonii C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus atlanticus Hemsl. | Synonym |  | WCSP |  | 
	
		| Cyperus atractocarpus Ridl. | Accepted |  | WCSP |  | 
	
		| Cyperus atratus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus atribulbus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus atrobrunneus Baker | Synonym |  | WCSP |  | 
	
		| Cyperus atroferrugineus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus atroglumosa Govind. | Synonym |  | WCSP |  | 
	
		| Cyperus atronervatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus atronitens Hochst. | Synonym |  | WCSP |  | 
	
		| Cyperus atropurpureus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus atropurpureus Pers. | Synonym |  | WCSP |  | 
	
		| Cyperus atrorubidus (Nelmes) Raymond | Synonym |  | WCSP |  | 
	
		| Cyperus atrosanguineus (Hochst. ex A.Rich.) Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus atrosanguineus Hemsl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus atroviridis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus aucheri Jaub. & Spach | Accepted |  | WCSP |  | 
	
		| Cyperus aurantiacus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus aureoalatus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus aureobrunneus C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus aureolus Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus aureorufus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus aureostramineus Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aureostramineus var. decolorans (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus aureovillosus (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus aurescens Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus aureus Georgi | Synonym |  | WCSP |  | 
	
		| Cyperus aureus Ten. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus aureus Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus aureus J.Presl & C.Presl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus aureus var. aurantiacus (Kunth) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus aureus var. macrostachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus aureus var. oligostachyus (Kunth) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus auricomus Sieber ex Spreng. | Synonym |  | WCSP |  | 
	
		| Cyperus auricomus var. khasianus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus auricomus var. microstachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus auricomus var. minor C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus auriculatus Nees & Meyen ex Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus aurifer Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus aurifer var. brachyanthus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus australis Schrad. | Synonym |  | WCSP |  | 
	
		| Cyperus austrochrysanthus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus autumnalis Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus autumnalis Pursh [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus baazas Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus × babae T.Koyama [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus babakan Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus babakensis Steud. ex Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus baccha Nees [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus badius (Willd. ex Kunth) Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus badius Desf. | Synonym |  | WCSP |  | 
	
		| Cyperus badius Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus badius Poir. | Accepted |  | TRO |  | 
	
		| Cyperus badius var. brachystachys (C.Presl) Nyman | Synonym |  | WCSP |  | 
	
		| Cyperus badius var. inconspicuus (Nyman) Nyman | Synonym |  | WCSP |  | 
	
		| Cyperus badius var. neglectus (Parl.) Nyman | Synonym |  | WCSP |  | 
	
		| Cyperus baenitzii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus bahiensis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus baikiei C.B.Clarke ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus bakeri C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus balansae Maury | Synonym |  | WCSP |  | 
	
		| Cyperus balbisii Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus baldwinii Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus baldwinii Chapm. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus balfourii C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus balfourii var. laxissimus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus balfourii var. rubiginosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus balfourii var. scabricaulis (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus balfourii var. tsiafajavonensis (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus banaticus Kit. ex Nyman | Synonym |  | WCSP |  | 
	
		| Cyperus bancanus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus bancanus var. brevibracteatus E.G.Camus | Synonym |  | WCSP |  | 
	
		| Cyperus bangianus Gand. | Synonym |  | WCSP |  | 
	
		| Cyperus baobab Lye | Accepted |  | WCSP |  | 
	
		| Cyperus baoulensis Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus barbata (Rottb.) Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus baronii C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus baronii var. densus C.B.Clarke ex Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus baronii var. interpositus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus baronii var. mannii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus baronii var. squarrosus C.B.Clarke ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus barrancae M.E.Jones | Synonym |  | WCSP |  | 
	
		| Cyperus barrosianus Herter | Synonym |  | WCSP |  | 
	
		| Cyperus barteri Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus bellus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus bellus f. auratus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus bellus var. tanganyicanus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus benadirensis Chiov. | Accepted |  | WCSP |  | 
	
		| Cyperus bengalensis Spreng. | Synonym |  | WCSP |  | 
	
		| Cyperus benghalensis C.B.Clarke [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus bequaertii (Cherm.) Robyns & Tournay | Synonym |  | WCSP |  | 
	
		| Cyperus berlandieri C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus bernieri Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus bernoullii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus berroi (C.B.Clarke) Barros | Accepted |  | WCSP |  | 
	
		| Cyperus berroi (C.B. Clarke) T. Koyama | Synonym |  | TRO |  | 
	
		| Cyperus berteroi Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus betafensis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus betchei (Kük.) S.T.Blake | Accepted |  | WCSP |  | 
	
		| Cyperus betchei subsp. betchei | Synonym |  | WCSP |  | 
	
		| Cyperus betschuanus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus beyrichii (Schrad. ex Nees) Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus biceps Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus bicolor Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus bicolor Barton [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus bidentatus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus bidentatus Poir. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus bifax C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus bifidus Pourr. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus bifolius Lye | Accepted |  | WCSP |  | 
	
		| Cyperus bigelowii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus bigibbosa Fosberg | Synonym |  | WCSP |  | 
	
		| Cyperus biglumis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus bipartitus Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus bipartitus f. elongatus (Boeckeler) Mohlenbr. | Synonym |  | WCSP |  | 
	
		| Cyperus bipartitus f. elutus (C.B.Clarke) Mohlenbr. | Synonym |  | WCSP |  | 
	
		| Cyperus bipontinii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus biradiatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus bispicatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus bisumbellatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus biuncialis Andersson | Synonym |  | WCSP |  | 
	
		| Cyperus blakeanus K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus blancheanus Desv. ex Boiss. | Synonym |  | WCSP |  | 
	
		| Cyperus blandus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus blastophorus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus blepharoleptos Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus blodgettii Britton | Synonym |  | WCSP |  | 
	
		| Cyperus blysmoides Hochst. ex C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus boeckleri Phil. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus boehmii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus boivinii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus bonianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus boninensis Ohwi [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus borbonicus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus × borealikiiensis T.Koyama & Ogawa [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus boreobellus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus boreochrysocephalus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus boreohemisphaericus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus botterii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus botterii Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus boucheanus Regel | Synonym |  | WCSP |  | 
	
		| Cyperus bourgaei C.B.Clarke ex Lundell | Synonym |  | WCSP |  | 
	
		| Cyperus bowmanii F.Muell. ex Benth. | Accepted |  | WCSP |  | 
	
		| Cyperus bracheilema (Steud.) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus brachiatus Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus brachyphyllus Willd. ex Link | Synonym |  | WCSP |  | 
	
		| Cyperus brachystachys Nees ex Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus brachystachys C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus brachystachys (Hook.f.) Andersson [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus bracteatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus bracteiferus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus bracteolatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus bracteosus Kunze ex Desv. | Synonym |  | WCSP |  | 
	
		| Cyperus brainerdii Britton | Synonym |  | TRO |  | 
	
		| Cyperus braunii Vatke | Synonym |  | WCSP |  | 
	
		| Cyperus brazas Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus breedlovei G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus brevicaulis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus breviculmis R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus breviculmis F.Muell. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus breviflorus A.Dietr. | Synonym |  | WCSP |  | 
	
		| Cyperus brevifolioides Thieret & Delahouss. | Synonym |  | WCSP |  | 
	
		| Cyperus brevifolius (Rottb.) Hassk. | Synonym |  | WCSP |  | 
	
		| Cyperus brevifolius f. firmiculmis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus brevifolius var. gracillimus (Miq.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus brevifolius subsp. intricatus (Cherm.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus brevifolius subsp. luridus (Kük.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus brevifolius f. pumilus J.V.Suringar | Synonym |  | WCSP |  | 
	
		| Cyperus brevifolius var. stellulatus (J.V.Suringar) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus brevifolius f. stellulatus J.V.Suringar | Synonym |  | WCSP |  | 
	
		| Cyperus brevifolius var. stellulatus J.V. Suringar | Synonym |  | TRO |  | 
	
		| Cyperus brevifolius f. vaginatus J.V.Suringar | Synonym |  | WCSP |  | 
	
		| Cyperus breviradiatus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus brevis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus brevispicatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus brizaeus Vahl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus brizaeus Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus brizaeus Pursh [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus brizimorphus Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus bromoides Britton ex Parish [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus bromoides Link | Synonym |  | WCSP |  | 
	
		| Cyperus brownii Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus brumadoi D.A.Simpson | Accepted |  | WCSP |  | 
	
		| Cyperus brunneoalbus (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus brunneoater Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus brunneofibrosus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus brunneovaginatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus brunnescens Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus brunneus Sw. | Synonym |  | WCSP |  | 
	
		| Cyperus brunneus Griseb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus buchananii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus buchholzii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus buckleyi Britton ex Coult. | Synonym |  | WCSP |  | 
	
		| Cyperus buettneri Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus bufonius (L.) Maack ex Trautv. | Unresolved |  | WCSP |  | 
	
		| Cyperus bulamensis Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus bulbiferus A.Dietr. | Synonym |  | WCSP |  | 
	
		| Cyperus bulbifex E.Mey. ex Drège | Synonym |  | WCSP |  | 
	
		| Cyperus bulbipes Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus bulbipes var. pallescens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus bulbocaulis (A.Rich.) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus bulbocaulis var. atrosanguineus (Hochst. ex A.Rich.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus bulbosostoloniferus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus bulbosostoloniferus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus bulbosus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus bulbosus Schrank [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus bulbosus Lag. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus bulbosus f. depauperatus Maire | Synonym |  | WCSP |  | 
	
		| Cyperus bulbosus var. elatior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus bulbosus var. elatus E.G.Camus | Synonym |  | WCSP |  | 
	
		| Cyperus bulbosus var. melanolepis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus bulbosus var. spicatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus bullatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus burchellii Schrad. | Synonym |  | WCSP |  | 
	
		| Cyperus burkartii Guagl. | Accepted |  | WCSP |  | 
	
		| Cyperus bushii Britton | Synonym |  | WCSP |  | 
	
		| Cyperus cadamostii Bolle ex E.H.L.Krause | Synonym |  | WCSP |  | 
	
		| Cyperus caducus Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus caesius Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus caespitosus A.St.-Hil. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus caespitosus Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus caespitosus Llanos [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus caffer G.Bertol. | Synonym |  | WCSP |  | 
	
		| Cyperus calacaryensis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus calcaratus S.Watson | Synonym |  | WCSP |  | 
	
		| Cyperus calcicola Britton | Synonym |  | WCSP |  | 
	
		| Cyperus calcicola Domin [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus calderoniae S.González | Accepted |  | WCSP |  | 
	
		| Cyperus calidus A.Kern. | Synonym |  | WCSP |  | 
	
		| Cyperus californicus S.Watson | Synonym |  | WCSP |  | 
	
		| Cyperus callistus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus callophorus G.Mey. | Synonym |  | WCSP |  | 
	
		| Cyperus calochrous Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus calopterus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus camagueyensis Britton | Synonym |  | WCSP |  | 
	
		| Cyperus campestris Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus camphoratus Liebm. | Accepted |  | WCSP |  | 
	
		| Cyperus camphoratus var. boliviensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus camphoratus var. breviradiatus (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus canaliculatus Retz. | Synonym |  | WCSP |  | 
	
		| Cyperus canariensis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus cancellatus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus cancrorum Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus canescens Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus canus J.Presl & C.Presl | Accepted |  | WCSP |  | 
	
		| Cyperus capensis Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus capensis (Steud.) Endl. | Accepted |  | WCSP |  | 
	
		| Cyperus capensis f. globospica (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus capensis var. polyanthemus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus capensis var. pseudomarlothii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus capillaris J.Koenig ex Roxb. | Synonym |  | WCSP |  | 
	
		| Cyperus capillaris Hochst. ex Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus capillifolius A.Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus capillifolius var. major (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus capitatus (L.) Burm.f. ex B.D.Jacks. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus capitatus Poir. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus capitatus Vand. | Accepted |  | WCSP |  | 
	
		| Cyperus capitatus Retz. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus capitellatus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus capitinduensis Maury ex Micheli | Synonym |  | WCSP |  | 
	
		| Cyperus capito Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus caracasanus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus careyi Britton | Synonym |  | WCSP |  | 
	
		| Cyperus caribaeus Pers. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus caricifolius Hook. & Arn. | Synonym |  | WCSP |  | 
	
		| Cyperus cariciformis F.Muell. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus caricinus D.Don | Synonym |  | WCSP |  | 
	
		| Cyperus carinatus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus carinatus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus carnosus B.Heyne ex Wall. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus carrii Kük. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus carruthii Alph.Wood | Synonym |  | WCSP |  | 
	
		| Cyperus cartilagineus (K.Schum.) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cartilagineus var. angustatus Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cartilagineus var. laevissimus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cartilagineus var. serratangulus Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus castaneobellus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus castaneus Bigelow [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus castaneus Willd. | Accepted |  | WCSP |  | 
	
		| Cyperus castaneus var. brevimucronatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cataractarum (C.B.Clarke) K.Schum. ex Engl. | Synonym |  | WCSP |  | 
	
		| Cyperus catharinensis Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus caucasicus Link | Synonym |  | WCSP |  | 
	
		| Cyperus cayennensis (Lam.) Britton [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus cayennensis Link | Synonym |  | WCSP |  | 
	
		| Cyperus cayennensis var. argentinus (Boeckeler) Kük. ex Barros | Synonym |  | WCSP |  | 
	
		| Cyperus cayennensis var. gigas (Lindm.) Barros | Synonym |  | WCSP |  | 
	
		| Cyperus cayennensis var. redolens (Maury ex Micheli) Gross ex J.F.Macbr. | Synonym |  | WCSP |  | 
	
		| Cyperus cayennensis var. umbellato-flavus (C.B. Clarke) Barros | Synonym |  | TRO |  | 
	
		| Cyperus caymanensis Millsp. | Synonym |  | WCSP |  | 
	
		| Cyperus cearaensis Gross ex Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus celans Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus cellulosoreticulatus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus centralis K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus cephalanthus Torr. & Hook. | Accepted |  | WCSP |  | 
	
		| Cyperus cephalophorus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus cephalostachyus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus cephalotes Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus cephalotes var. grandiceps Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ceylanicus (Vahl) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus chaetophyllus (Chiov.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus chalaranthus J.Presl & C.Presl | Accepted |  | WCSP |  | 
	
		| Cyperus chamaecephalus Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus chamissoi Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus chermezonianus Robyns & Tournay | Accepted |  | WCSP |  | 
	
		| Cyperus chermezonii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus chersinus (N.E.Br.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus chersinus var. angularis (Turrill) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus chevalieri Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus chilensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus chinsalensis Podlech | Accepted |  | WCSP |  | 
	
		| Cyperus chionocephalus (Chiov.) Chiov. ex Chiarugi | Accepted |  | WCSP |  | 
	
		| Cyperus chisimajensis Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus chlorocephalus (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus chlorocephalus C.B. Clarke | Unresolved |  | TRO |  | 
	
		| Cyperus chlorostachys Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus chlorotropis (Steud.) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus chordorrhizus Chiov. | Accepted |  | WCSP |  | 
	
		| Cyperus chorisanthos C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus chromatolepis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus chrysanthus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus chrysanthus var. occidentalis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus chrysocephalus (K.Schum.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus chrysokerkos Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus chrysomelinus Link | Synonym |  | WCSP |  | 
	
		| Cyperus chrysostachys Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ciliatopilosus Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ciliatopilosus var. longifolius (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ciliatopilosus var. rhizomatosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ciliatus Jungh. | Accepted |  | WCSP |  | 
	
		| Cyperus ciliolatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus cimicinus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus cinereobrunneus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus cinereus Maury ex Micheli | Synonym |  | WCSP |  | 
	
		| Cyperus cinnamomeus Retz. | Synonym |  | WCSP |  | 
	
		| Cyperus circinatus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus circumclusus (C.B.Clarke) Schweinf. | Synonym |  | WCSP |  | 
	
		| Cyperus circumclusus (C.B. Clarke) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus clandestinus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus clarkeanus K.Schum. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus clarkei T.Cooke | Accepted |  | WCSP |  | 
	
		| Cyperus clarkei T. Cook | Synonym |  | TRO |  | 
	
		| Cyperus clarus S.T.Blake | Accepted |  | WCSP |  | 
	
		| Cyperus clavinux C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus cleaveri Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus cleaveri Roem. & Schult. | Synonym |  | TRO |  | 
	
		| Cyperus clelandii J.M.Black | Synonym |  | WCSP |  | 
	
		| Cyperus coercens Rchb. ex Kunth [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus cognatus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus colchicus K.Koch | Synonym |  | WCSP |  | 
	
		| Cyperus collinus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus coloratus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus coloratus var. longinux Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus columbiensis Palla | Accepted |  | WCSP |  | 
	
		| Cyperus colymbetes Kotschy & Peyr. | Accepted |  | WCSP |  | 
	
		| Cyperus commersonii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus commixtus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus commutatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus comosipes Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus comosipes subsp. decolorans (Kük.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus comosus (Kunth) Poir. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus comosus Sm. | Synonym |  | WCSP |  | 
	
		| Cyperus compactus Lam. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus compactus Retz. | Accepted |  | WCSP |  | 
	
		| Cyperus compactus f. decolorans Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus compactus var. flavissimus (Schrad.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus compactus var. macrostachys (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus compactus var. pauciflorus (H.Pfeiff.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus compactus var. tenerior C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus complanatus (Retz.) Willd. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus complanatus Forssk. | Synonym |  | WCSP |  | 
	
		| Cyperus complanatus C.Presl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus compositus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus compositus R.Br. | Synonym |  | WCSP |  | 
	
		| Cyperus compressiformis (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus compressotriqueter Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus compressus L. | Accepted |  | WCSP |  | 
	
		| Cyperus compressus Jacq. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus compressus Krock. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus compressus var. brachiatus (Poir.) Nees | Synonym |  | WCSP |  | 
	
		| Cyperus compressus var. capillaceus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus compressus var. compositus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus compressus f. depauperatus Domin | Synonym |  | WCSP |  | 
	
		| Cyperus compressus var. floribundus E.G.Camus | Synonym |  | WCSP |  | 
	
		| Cyperus compressus var. laxus E.G.Camus | Synonym |  | WCSP |  | 
	
		| Cyperus compressus subsp. micranthus T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus compressus var. pectiniformis (Schult.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus compressus var. simplex J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus conceptionis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus concinniformis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus concinnus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus concinnus var. parvifructus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus concolor Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus × condensatus T.Koyama [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus confertiflorus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus confertus Sw. | Accepted |  | WCSP |  | 
	
		| Cyperus confertus Lam. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus confertus var. bidentatus (Vahl) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus confertus var. biuncialis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus confertus f. biuncialis Kük. | Synonym |  | TRO |  | 
	
		| Cyperus confertus f. debilior (Kük. ex Ekman) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus confertus var. debilior Kük. ex Ekman | Synonym |  | WCSP |  | 
	
		| Cyperus confertus f. gracillimus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus confusus Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus confusus var. laxissimus Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus confusus var. scabricaulis Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus confusus var. tsiafajavonensis Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus congensis C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus congensis var. congensis | Synonym |  | TRO |  | 
	
		| Cyperus congestus Poir. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus congestus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus congestus var. brevis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus congestus f. gigantea F.Muell. | Synonym |  | WCSP |  | 
	
		| Cyperus congestus var. glanduliferus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus congestus var. grandiceps Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus congestus subsp. heldreichianus (Boiss.) K.Richt. | Synonym |  | WCSP |  | 
	
		| Cyperus congestus var. parishii (Britton) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus congestus var. pseudonatalensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conglobatus Link | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus conglomeratus var. aucheri (Jaub. & Spach) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus var. aucheri (Jaub. & Spach) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus conglomeratus subsp. conglomeratus | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus f. curvulus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus subsp. curvulus (Boeckeler) Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus conglomeratus var. effusus (Rottb.) Coss. & Durand | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus var. effusus (Rottb.) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus conglomeratus var. ensifolius (Nees & Ehrenb. ex Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus f. excisus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus subsp. jeminicus (Rottb.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus f. major (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus var. major Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus var. multiculmis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus f. oligostachys Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus subsp. pachyrhizus (Nees) T.Koyama | Accepted |  | WCSP |  | 
	
		| Cyperus conglomeratus f. pachyrhizus (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus f. pumilus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus var. socotrensis Balf.f. | Synonym |  | WCSP |  | 
	
		| Cyperus conglomeratus f. strictus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conicus (R.Br.) Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus conicus var. glaucinus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conicus var. ramosus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus conjunctus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus conoideus Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus consanguineus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus consanguineus var. chamissoi (Schrad. ex Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus consanguineus var. minarum (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus consanguineus var. minarum (Boeck.) Denton | Synonym |  | TRO |  | 
	
		| Cyperus consanguineus var. usterii (Palla) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus consanguineus var. varius (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus consors C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus consors var. pernudus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus consors var. riedelianus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus conspicuus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus constanzae Urb. | Accepted |  | WCSP |  | 
	
		| Cyperus contractus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus controversus (Steud.) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus controversus var. subexalatus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus convallium Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus cooperi (C.B.Clarke) K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus cooperi (C.B.Clarke) Kük. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus cordobensis (Palla) Hicken | Synonym |  | WCSP |  | 
	
		| Cyperus coriaceus (G.Mey.) Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus coriaceus Schrad. | Synonym |  | TRO |  | 
	
		| Cyperus coriifolius Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus coriifolius var. abbreviatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus cornelii-ostenii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus cornelii-ostenii var. cornelii-ostenii | Synonym |  | WCSP |  | 
	
		| Cyperus cornutus Andersson | Synonym |  | WCSP |  | 
	
		| Cyperus coromandelinus Spreng. | Synonym |  | WCSP |  | 
	
		| Cyperus coromandelinus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus coronarius (Vahl) Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus correctus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus correllii (T.Koyama) G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus corticatus C.Wright | Synonym |  | WCSP |  | 
	
		| Cyperus corymbosus Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus corymbosus Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus corymbosus var. brevispiculosus Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus corymbosus var. damarensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus corymbosus var. longispiculatus (Kuntze) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus corymbosus var. macrostachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus corymbosus var. pangorei C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus corymbosus var. pangorei Rottb. | Synonym |  | TRO |  | 
	
		| Cyperus corymbosus var. scariosus (R.Br.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus corymbosus var. subnodosus (Nees & Meyen) Kük. ex Osten | Synonym |  | WCSP |  | 
	
		| Cyperus corymbosus var. subnodosus (Nees & Meyen) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus cossyrensis Tineo ex Guss. | Synonym |  | WCSP |  | 
	
		| Cyperus costaricensis Gómez-Laur. | Accepted |  | WCSP |  | 
	
		| Cyperus costatus Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus costatus subsp. sidamoensis (Mtot.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus cracens K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus crassipes Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus crassivaginatus Lye | Synonym |  | WCSP |  | 
	
		| Cyperus cremeomariscus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus crinitus Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus crinitus Spreng. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus crispulus K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus cristatus (Kunth) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cristatus subsp. ascolepidioides (Cherm.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus cristatus var. nigritanus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cristulatus S.T.Blake | Accepted |  | WCSP |  | 
	
		| Cyperus croceus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus cruciformis Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus cruciformis (Schrad. ex Schult.) Endl. | Synonym |  | WCSP |  | 
	
		| Cyperus cruentus Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus cruentus subsp. amauropus (Steud.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus crustaceus Raymond | Synonym |  | WCSP |  | 
	
		| Cyperus crypsoides J.Kern | Accepted |  | WCSP |  | 
	
		| Cyperus cuadriflorus Llanos | Synonym |  | WCSP |  | 
	
		| Cyperus cuanzensis Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus cubanus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus cubensis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus cumingii Nees [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus cundudoensis Chiov. | Accepted |  | WCSP |  | 
	
		| Cyperus cunninghamii (C.B.Clarke) C.A.Gardner | Accepted |  | WCSP |  | 
	
		| Cyperus cunninghamii subsp. cunninghamii | Synonym |  | WCSP |  | 
	
		| Cyperus cupreus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus curvatus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus curvibracteatus Govind. | Synonym |  | WCSP |  | 
	
		| Cyperus curvifolius Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus curvispiculosus T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus curvistylis J.Kern | Accepted |  | WCSP |  | 
	
		| Cyperus curvulus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus cuspidatus Baker [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus cuspidatus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus cuspidatus f. angustifolius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cuspidatus var. burchellii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus cuspidatus f. exiguus (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyclostachyus Griseb. | Synonym |  | WCSP |  | 
	
		| Cyperus cylindricus Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus cylindricus (Elliott) Britton [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus cylindricus Chapm. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus cylindricus var. elatior Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus cylindrostachyus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus cylindrostachyus var. subcompositus (C.B.Clarke) Skottsb. | Synonym |  | WCSP |  | 
	
		| Cyperus cymbiformis Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus cymulosus Willemet | Accepted |  | WCSP |  | 
	
		| Cyperus cyperinus (Retz.) Suringar | Accepted |  | WCSP |  | 
	
		| Cyperus cyperinus var. bengalensis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperinus var. laxatus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperinus var. maximus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperinus var. pictus (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperinus var. scabriculmis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides (L.) Kuntze | Accepted |  | WCSP |  | 
	
		| Cyperus cyperoides (L.) Britton | Synonym |  | TRO |  | 
	
		| Cyperus cyperoides var. aureus A.Peter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides var. brevispicatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides var. clarkei (Turrill ex Craib) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides subsp. cyperinus (Retz.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides subsp. cyperoides | Synonym |  | TRO |  | 
	
		| Cyperus cyperoides var. evolutior (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides subsp. flavus Lye | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides var. khasianus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides subsp. macrocarpus (Kunth) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides var. microstachys Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides var. nossibeensis (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides var. ovalis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides var. polyphyllus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides subsp. pseudoflavus (C.B.Clarke) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides var. repens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyperoides var. subcompositus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus cyprius Post | Accepted |  | WCSP |  | 
	
		| Cyperus cyrtolepis Torr. & Hook. | Synonym |  | WCSP |  | 
	
		| Cyperus cyrtolepis var. arenicola (Steud.) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus cyrtolepis var. caepitosus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus cyrtolepis var. denticarinatus (Britton) Britton | Synonym |  | WCSP |  | 
	
		| Cyperus cyrtolepis var. glaucescens Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus cyrtostachys C.B.Clarke [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus dactyliformis Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus dactyliformis var. elatior (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus dactyliformis var. gueinzii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus dactyliformis var. involutus (C.B.Clarke) K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus dactylotes Benth. | Accepted |  | WCSP |  | 
	
		| Cyperus damiettensis A.Dietr. | Synonym |  | WCSP |  | 
	
		| Cyperus daphaenus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus davidsei G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus × deamii O'Neill | Accepted |  | WCSP |  | 
	
		| Cyperus debilis R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus debilissimus Baker | Accepted |  | WCSP |  | 
	
		| Cyperus debilissimus var. calochrous (Cherm.) Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus debilissimus var. calochrous (Cherm.) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus debilissimus var. triqueter Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus deciduus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus decipiens Hillebr. | Synonym |  | WCSP |  | 
	
		| Cyperus deckenii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus declinatus Moench | Synonym |  | WCSP |  | 
	
		| Cyperus declinatus var. limbatus Druce | Synonym |  | WCSP |  | 
	
		| Cyperus decompositus (R.Br.) F.Muell. | Accepted |  | WCSP |  | 
	
		| Cyperus decumbens Govind. | Synonym |  | WCSP |  | 
	
		| Cyperus deeringianus Britton & Small | Synonym |  | WCSP |  | 
	
		| Cyperus dehiscens Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus delavayi (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus delesserianus Webb & Berthel. | Synonym |  | WCSP |  | 
	
		| Cyperus delicatulatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus demangei (J.Raynal) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus densibulbosus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus densicaespitosus Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus densicaespitosus var. major (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus densicaespitosus var. rigidulus (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus densicaespitosus var. stenophyllus (K.Schum. ex C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus densiflorus Hemsl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus densiflorus Link | Synonym |  | WCSP |  | 
	
		| Cyperus densiflorus G.Mey. | Synonym |  | WCSP |  | 
	
		| Cyperus densiflorus Rchb. ex Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus densifolius Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus densifolius Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus densispicatus Hayata | Synonym |  | WCSP |  | 
	
		| Cyperus densispicatus Cherm. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus densus Link | Synonym |  | WCSP |  | 
	
		| Cyperus dentatus Torr. | Accepted |  | WCSP |  | 
	
		| Cyperus dentatus var. ctenostachys Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus dentatus f. ctenostachys (Fernald) Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus dentatus f. dentatus | Synonym |  | TRO |  | 
	
		| Cyperus dentatus var. multiradiatus Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus denticulatus Schrad. ex Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus dentifer Kom. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus dentoniae G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus denudatus L.f. | Accepted |  | WCSP |  | 
	
		| Cyperus denudatus Vahl | Unresolved |  | TRO |  | 
	
		| Cyperus denudatus var. aureobrunneus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus denudatus var. delicatulus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus denudatus f. longispiculosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus denudatus var. lucentinigricans (K.Schum.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus denudatus f. singularis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus denudatus var. sphaerospermoides (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus denudatus var. sphaerospermus (Schrad.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus depauperatus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus depauperatus Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus deremensis K.Schum. ex Engl. | Synonym |  | WCSP |  | 
	
		| Cyperus derreilema Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus derreilema var. ajax (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus derreilema var. brevispiculosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus derreilema subsp. deckenii (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus derreilema subsp. derreilema | Synonym |  | TRO |  | 
	
		| Cyperus derreilema var. tsaratananensis (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus dewildeorum (J.Raynal) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus diamantinus (D.A.Simpson) Govaerts | Accepted |  | WCSP |  | 
	
		| Cyperus dianae Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus diandrus Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus diandrus var. bipartitus (Torr.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diandrus var. capitatus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus diandrus var. castaneus Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus diandrus var. castaneus S. Watson | Synonym |  | TRO |  | 
	
		| Cyperus diandrus var. elongatus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus diandrus f. elongatus (Britton) Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus diandrus var. pauciflorus Alph.Wood | Synonym |  | WCSP |  | 
	
		| Cyperus diaphaniria Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus diaphanus Schrad. ex Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus diaphanus var. gracilescens (Kük.) H.O.Saxena | Synonym |  | WCSP |  | 
	
		| Cyperus diaphanus var. latispicatus (Boeckeler) J.Kern | Synonym |  | WCSP |  | 
	
		| Cyperus diaphanus subsp. setiformis (Korsh.) J.Kern | Synonym |  | WCSP |  | 
	
		| Cyperus dichromeniformis Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus dichromeniformis var. major Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus dichromennaeformis Kunth | Unresolved |  | TRO |  | 
	
		| Cyperus dichromus C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus dichrostachyus Hochst. ex A.Rich. | Accepted |  | WCSP |  | 
	
		| Cyperus dietrichiae Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus dietrichiae var. brevibracteatus (Domin) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus dietrichiae var. dietrichiae | Synonym |  | WCSP |  | 
	
		| Cyperus dietrichiae var. fractuosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus difformis L. | Accepted |  | WCSP |  | 
	
		| Cyperus difformis var. breviglobosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus difformis f. humilis Debeaux | Synonym |  | WCSP |  | 
	
		| Cyperus difformis f. maximus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus difformis var. subdecompositus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus Roxb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus diffusus subsp. bancanus (Miq.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus var. brevibracteatus (E.G.Camus) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus subsp. buchholzii (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus var. celebicus (Miq.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus subsp. chalaranthus (J.Presl & C.Presl) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus var. chalaranthus (J.Presl & C.Presl) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus var. chorisanthos (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus var. diffusus | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus subsp. entrerianus (Boeckeler) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus diffusus var. macrostachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus subsp. macrostachyus (Boeckeler) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus var. multispicatus S.M.Huang | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus subsp. sylvestris (Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus var. tolucensis (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus subsp. tolucensis (Kunth) Borhidi | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus f. turgidulus J.V.Suringar | Synonym |  | WCSP |  | 
	
		| Cyperus diffusus var. umbrosus (Lindl. & Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus Roxb. | Accepted |  | WCSP |  | 
	
		| Cyperus digitatus var. abbreviatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus var. aureorufus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus subsp. auricomus (Sieber ex Spreng.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus digitatus var. bruntii S.S.Hooper | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus f. contractior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus subsp. digitatus | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus var. digitatus | Synonym |  | TRO |  | 
	
		| Cyperus digitatus var. hookeri (Boeckeler) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus var. khasiana (C.B.Clarke) J.Kern | Accepted |  | WCSP |  | 
	
		| Cyperus digitatus var. khasianus (C.B. Clarke) J. Kern | Synonym |  | TRO |  | 
	
		| Cyperus digitatus var. laxiflorus L.K.Dai | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus var. mexicanus (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus var. oatesi (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus var. obtusifructus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus digitatus var. pingbienensis L.K.Dai | Synonym |  | WCSP |  | 
	
		| Cyperus dilatatus Schumach. | Accepted |  | WCSP |  | 
	
		| Cyperus diloloensis (Kük. ex Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus dilutus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus dilutus var. macrostachys Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus diluvialis Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus dioicus I.M.Johnst. | Accepted |  | WCSP |  | 
	
		| Cyperus diphyllus Retz. | Synonym |  | WCSP |  | 
	
		| Cyperus diphyllus var. elatior Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus diphyllus var. triangularis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus dipsaceus Liebm. | Accepted |  | WCSP |  | 
	
		| Cyperus dipsaciformis Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus disciger Liebm. | Synonym |  | TRO |  | 
	
		| Cyperus discigerus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus discolor Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus disjunctus C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus disruptus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus dissitiflorus Nees ex Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus dissitiflorus Andersson [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus dissolutus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus distachyos All. | Synonym |  | WCSP |  | 
	
		| Cyperus distans Pursh [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus distans G.Mey. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus distans L.f. | Accepted |  | WCSP |  | 
	
		| Cyperus distans f. capillarioides Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus distans var. crassispiculosus Gross & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus distans var. densiflorus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus distans subsp. longibracteatus (Cherm.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus distans var. major Thwaites | Synonym |  | TRO |  | 
	
		| Cyperus distans var. mucronatus Berhaut | Synonym |  | TRO |  | 
	
		| Cyperus distans var. niger C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus distans f. pachyanthos Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus distans f. pallidior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus distans var. pseudonutans Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus distans var. rubrotinctus (Cherm.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus distichophyllus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus distinctus Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus diurensis Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus diurensis var. acuminatosquamatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diurensis var. gondanus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diurensis var. laetevirens A.Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus diurensis var. longistolon Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus divaricatus Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus divergens Chapm. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus divergens Benth. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus divergens Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus dives Delile | Accepted |  | WCSP |  | 
	
		| Cyperus divulsus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus diwakarii Wad.Khan & Solanke | Accepted |  | WCSP |  | 
	
		| Cyperus donianus A.Dietr. | Synonym |  | WCSP |  | 
	
		| Cyperus donianus Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus drakensbergensis (Vorster) Govaerts | Accepted |  | WCSP |  | 
	
		| Cyperus dregeanus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus dregeanus var. incrassatus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus drummondii Nees ex Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus drummondii Torr. & Hook. | Accepted |  | WCSP |  | 
	
		| Cyperus dubius Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus dubius Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus dubius Roxb. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus dubius var. buchananii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus dubius var. capitatus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus dubius var. coloratus (Vahl) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus dubius subsp. coloratus (Vahl) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus dubius var. decaryi (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus dubius var. detersus (C.B.Clarke ex Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus dubius var. dubius | Synonym |  | WCSP |  | 
	
		| Cyperus dubius subsp. macrocephalus (C.B.Clarke) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus dubius var. macrocephalus (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus dubius var. polyactis A.Peter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus dubius var. stenactis A.Peter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus duchaisingii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus ducis Buscal. & Muschl. | Synonym |  | WCSP |  | 
	
		| Cyperus duclouxii E.G.Camus | Accepted |  | WCSP |  | 
	
		| Cyperus dunensis (Cherm.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus dupetitii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus durandii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus duripes I.M.Johnst. | Accepted |  | WCSP |  | 
	
		| Cyperus durus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus dussianus Duss | Synonym |  | WCSP |  | 
	
		| Cyperus dussii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus dwarkensis K.C.Sahni & H.B.Naithani | Synonym |  | WCSP |  | 
	
		| Cyperus eboracensis R.Booth, D.J.Moore & Hodgon | Accepted |  | WCSP |  | 
	
		| Cyperus eburneus Thonn. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus echinatus (L.) Alph.Wood | Accepted |  | WCSP |  | 
	
		| Cyperus echinatus var. multiflorus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus echinolepis T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus ecklonii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus edulis Dinter | Synonym |  | WCSP |  | 
	
		| Cyperus effusus Rottb. | Synonym |  | WCSP |  | 
	
		| Cyperus efoliatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus eggersii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus eggersii var. laticeps Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus eglobosus K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus egregius Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus ehrenbergianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ehrenbergii Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus ehrenbergii f. fulvescens (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ehrenbergii f. pallidiflorus (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ekmanii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus elapsus Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus elatior Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus elatus Roxb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus elatus Griseb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus elatus L. | Accepted |  | WCSP |  | 
	
		| Cyperus elatus Rottb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus elatus var. laxus E.G.Camus | Synonym |  | WCSP |  | 
	
		| Cyperus elatus var. macronux C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus elegans L. | Accepted |  | WCSP |  | 
	
		| Cyperus elegans var. breviradiata Maury | Synonym |  | WCSP |  | 
	
		| Cyperus elegans subsp. elegans | Synonym |  | WCSP |  | 
	
		| Cyperus elegans var. major Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus elegans subsp. rubiginosus (Hook.f.) Eliasson | Accepted |  | WCSP |  | 
	
		| Cyperus elegantulus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus elegantulus var. submelanostachyus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus elephantinus (C.B.Clarke) C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus eleusinoides Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus eleusinoides var. dinklageanus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus eleusinoides var. subprolixus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus elliottianus Schult. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus elongatus Hochst. ex C.B.Clarke [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus elongatus Sieber ex Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus elongatus Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus elongatus Lej. ex Nees [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus elytropiptos Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus emarginatus Schrad. | Synonym |  | WCSP |  | 
	
		| Cyperus eminens Klein ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus endlichii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus enervis R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus enervis var. fallax Domin | Synonym |  | WCSP |  | 
	
		| Cyperus enervis var. laxus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus engelmannii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus enodis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus enodis var. longispiculatus Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus ensifolius Nees & Ehrenb. ex Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus enslenii Pursh | Synonym |  | WCSP |  | 
	
		| Cyperus entrerianus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus entrerianus f. abbreviatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus entrerianus var. parvicapitulatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ephemerus Kukkonen & Väre | Accepted |  | WCSP |  | 
	
		| Cyperus eragrostis Lam. | Accepted |  | WCSP |  | 
	
		| Cyperus eragrostis C.Krauss [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis Clementi ex Willk. & Lange [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis Vahl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis var. compactus (Desv.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis var. cyrtostachys Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis var. eragrostis | Synonym |  | TRO |  | 
	
		| Cyperus eragrostis var. flaccidulus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis var. humilis Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis f. latifrons Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis var. melanocephalus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis f. melanocephalus (Boeckeler) J.V.Suringar | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis var. micronux C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis var. microstachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis var. minor Ewart | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis var. pauperita J.M.Black | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis f. rubromarginatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus eragrostis f. tener Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erectus (Schumach.) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erectus subsp. albescens (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus erectus var. auratus (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erectus var. intercedens (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erectus var. intricatus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erectus subsp. jubensis (Chiov.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus erectus var. luridus (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erectus f. minor Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erectus f. pallescens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erectus var. pleiocarpus (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erectus var. schlechteri (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus eremicus Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus erinaceus (Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus eriophorus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus erubescens Link | Synonym |  | WCSP |  | 
	
		| Cyperus erythraeus Schrad. ex Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus erythrorhizus Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus erythrorrhizos Muhl. | Accepted |  | WCSP |  | 
	
		| Cyperus erythrorrhizos var. cupreus (J.Presl & C.Presl) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erythrorrhizos var. halei (Torr. ex Britton) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus erythrorrhizos var. infirmus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus L. | Accepted |  | WCSP |  | 
	
		| Cyperus esculentus var. angustispicatus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus f. angustispicatus (Britton) Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus subsp. aureus K.Richt. | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. cyclolepis Boeckeler ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. esculentus | Synonym |  | TRO |  | 
	
		| Cyperus esculentus f. esculentus | Synonym |  | TRO |  | 
	
		| Cyperus esculentus f. evolutus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. heermannii (Buckley) Britton | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. helodes (Schrad. ex Nees) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. leptostachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. lutescens (Torr. & Hook.) Kük. ex Osten | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. lutescens (Torr. & Hook.) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus esculentus var. macrostachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus f. macrostachyus (Boeckeler) Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. nervosostriatus (Turrill) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. phymatodes (Muhl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus f. princeps C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. sativus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus esculentus var. sprucei C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus esphacelatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus etesios Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus eumorphus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus eurystachys Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus evaginatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus exaltatus Retz. | Accepted |  | WCSP |  | 
	
		| Cyperus exaltatus var. digynus (Boeckeler) F.N.Williams | Synonym |  | WCSP |  | 
	
		| Cyperus exaltatus var. divergens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus exaltatus var. dives (Delile) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus exaltatus var. exaltatus | Synonym |  | WCSP |  | 
	
		| Cyperus exaltatus var. iwasakii (Makino) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus exaltatus var. minor J.M.Black | Synonym |  | WCSP |  | 
	
		| Cyperus exaltatus var. oatesii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus exaltatus var. serpens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus excisus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus exiguus Nees [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus exilis Willd. ex Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus eximius (C.B.Clarke) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus eximius var. kelleri (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus expansus Poir. | Accepted |  | WCSP |  | 
	
		| Cyperus expansus Bojer | Synonym |  | TRO |  | 
	
		| Cyperus extremiorientalis Ohwi | Synonym |  | WCSP |  | 
	
		| Cyperus falcatus Ehrenb. ex Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus falcatus var. hamiensis Schweinf. | Synonym |  | WCSP |  | 
	
		| Cyperus falciculosus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus fallaciosus (Cherm.) Raymond | Synonym |  | WCSP |  | 
	
		| Cyperus familiaris Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus fascicularis Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus fascicularis DC. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus fascicularis Phil. ex Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus fasciculatus Elliott | Synonym |  | WCSP |  | 
	
		| Cyperus fastigiatus Willd. ex Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus fastigiatus Vahl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus fastigiatus Forssk. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus fastigiatus Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus fastigiosus J.F.Gmel. | Synonym |  | WCSP |  | 
	
		| Cyperus fastuosus Desv. ex Ham. | Synonym |  | WCSP |  | 
	
		| Cyperus fauriei Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus feani F.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus felipponei Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus fendlerianus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus fendlerianus var. debilis (Britton) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fendlerianus var. fendlerianus | Synonym |  | TRO |  | 
	
		| Cyperus fendlerianus var. leucolepis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fendlerianus var. major Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fenzelianus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus fenzelianus var. badiiformis Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax Benth. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus ferax Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax var. acicularis (Schrad. ex Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax var. auriculatus (Nees & Meyen ex Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax var. bulbiferus Barros | Synonym |  | WCSP |  | 
	
		| Cyperus ferax var. conglobatus (Link) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax var. densiflorus (G.Mey.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax subsp. engelmannii (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax var. engelmannii (Steud.) Kük. ex Osten | Synonym |  | WCSP |  | 
	
		| Cyperus ferax var. hayesii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax var. maximiliani (Schrad. ex Nees) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ferax var. novae-hannoverae (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax f. parvus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax subsp. speciosus (Vahl) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax var. squarrosus (Britton) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferax subsp. transcaucasicus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fernandezianus Colla | Synonym |  | WCSP |  | 
	
		| Cyperus ferox Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus ferrugineoviridis (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus ferrugineoviridis var. distantiformis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferrugineoviridis var. luteiformis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ferruginescens Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ferrugineus L. | Synonym |  | WCSP |  | 
	
		| Cyperus ferrugineus Poir. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus ferrugineus var. baronii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fertilis Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus festivus Link | Synonym |  | WCSP |  | 
	
		| Cyperus fezelianus C.B. Clarke | Unresolved |  | TRO |  | 
	
		| Cyperus fibrillosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fibrillosus f. katangensis (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fibrillosus var. scaettae (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fibrillosus var. vanderystii (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fiebrigii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fieldingii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus filicinus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus filicinus f. cleaveri (Torr.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus filicinus var. microdontus (Torr.) Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus filicinus f. splendens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus filiculmis Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus filiculmis Schrad. ex Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus filiculmis A.Rich. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus filiculmis var. filiculmis | Synonym |  | TRO |  | 
	
		| Cyperus filiculmis var. grayi (Torr.) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus filiculmis var. macilentus Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus filiculmis var. oblitus Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus filifolius Willd. ex Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus filifolius Willd. | Unresolved |  | TRO |  | 
	
		| Cyperus filiformis Sw. | Accepted |  | WCSP |  | 
	
		| Cyperus filiformis f. coloratus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus filiformis var. densiceps Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus filiformis f. filifolius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus filiformis var. havanensis (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus filiformis f. robustior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus filiformis f. subfilifolius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus filipes Benth. | Accepted |  | WCSP |  | 
	
		| Cyperus fimbriatus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus fimbristyloides T.Koyama [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus firmipes (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus firmus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus fischerianus Schimp. ex A.Rich. | Accepted |  | WCSP |  | 
	
		| Cyperus fischerianus var. ugandensis Lye | Synonym |  | WCSP |  | 
	
		| Cyperus fissus Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus fistulosus Ehrenb. ex Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus flabellaris Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus flabelliformis Rottb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus flabelliformis (Kunth) Spreng. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus flabelliformis var. obtusangulum Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus flaccidus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus flagellatus Hochst. | Synonym |  | WCSP |  | 
	
		| Cyperus flavens Pall. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens L. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens f. abyssinicus (Hochst. ex A.Rich.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. abyssinicus (Hochst. ex A.Rich.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. bicolor Farw. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. castaneus (Willd.) Pursh | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens f. caucasicus K.Koch | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens f. compactus Asch. & Graebn. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens subsp. fallaciosus (Cherm.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. fontanesii (Kunth) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens f. fontanesii (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens f. gracillimus Asch. & Graebn. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. gussonei (Gasp. ex Guss.) Nyman | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens subsp. intermedius (Rikli) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens f. major Lojac. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens subsp. microglumis (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens f. minor Gaudin | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens f. monostachyus Sacc. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. paraensis (Nees) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens f. paraensis (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. piceus (Liebm.) Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. poiformis (Pursh) Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. pygmaeus Goiran | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. rehmannianus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens var. rubromarginatus Schrenk | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens f. setaceus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavescens subsp. tanaensis (Kük.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus flavicomus Michx. | Synonym |  | WCSP |  | 
	
		| Cyperus flavicomus Vahl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus flavicomus Pursh [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus flavicomus Schltdl. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus flavidus Retz. | Synonym |  | WCSP |  | 
	
		| Cyperus flavidus var. erectus (C.B.Clarke) Korlah. | Synonym |  | WCSP |  | 
	
		| Cyperus flavidus var. khasianus (C.B.Clarke) Korlah. | Synonym |  | WCSP |  | 
	
		| Cyperus flavidus var. nilagiricus (Hochst. ex Steud.) Korlah. | Synonym |  | WCSP |  | 
	
		| Cyperus flavidus var. strictus (C.B.Clarke) Korlah. | Synonym |  | WCSP |  | 
	
		| Cyperus flavissimus Schrad. | Synonym |  | WCSP |  | 
	
		| Cyperus flavissimus Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus flavoculmis Lye | Accepted |  | WCSP |  | 
	
		| Cyperus flavomariscus Griseb. | Synonym |  | WCSP |  | 
	
		| Cyperus flavomariscus var. peduncularis Britton | Synonym |  | WCSP |  | 
	
		| Cyperus flavus (Vahl) Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus flavus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus flavus var. aggregatus (Willd.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavus var. angustatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavus var. argentinus (Boeckeler) Kük. ex Osten | Synonym |  | WCSP |  | 
	
		| Cyperus flavus var. australis Osten | Synonym |  | WCSP |  | 
	
		| Cyperus flavus var. gigas (Lindm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavus var. laevis (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavus var. obesus (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavus var. peduncularis (Britton) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flavus subsp. redolens (Maury ex Micheli) Osten | Synonym |  | WCSP |  | 
	
		| Cyperus flexibilis Maury | Synonym |  | WCSP |  | 
	
		| Cyperus flexifolius Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus flexifolius Boeckeler ex Reinecke [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus flexuosus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus flexuosus Griseb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus flexuosus f. fulvescens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flexuosus var. insignis (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus flexuosus f. pallidiflorus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus floribundus (Kük.) R.Carter & S.D.Jones | Accepted |  | WCSP |  | 
	
		| Cyperus floridanus Britton | Accepted |  | WCSP |  | 
	
		| Cyperus fluitans Buch.-Ham. ex C.B.Clarke [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus fluitans (L.) Missbach & E.H.L.Krause | Synonym |  | WCSP |  | 
	
		| Cyperus fluminalis Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus fluminalis var. longifolius (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus foliaceus C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus foliosissimus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus foliosus K.Schum. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus foliosus Willd. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus fontanesii Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus fonticola Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus fontinalis (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus formosus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus forskalianus Väre & Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus forsskalii A.Dietr. | Synonym |  | WCSP |  | 
	
		| Cyperus fortunei Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus fossarum Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus fossarum Schltdl. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus fragilis Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus fraternus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus frerei C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus fresenii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus friburgensis Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus friesii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus frionensis Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus frondosus Salisb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus fucatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus fucosus K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus fugax Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus fugax var. humilis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus fulgens C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus fulgens var. fulgens | Synonym |  | WCSP |  | 
	
		| Cyperus fuligineus Chapm. | Accepted |  | WCSP |  | 
	
		| Cyperus fuligineus var. calcicola (Britton) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fulvescens Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus fulvoalbescens T.Koyama | Accepted |  | WCSP |  | 
	
		| Cyperus fulvus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus fulvus Ridl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus fulvus var. canescens (C.B.Clarke ex Domin) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fulvus var. confusus (C.B.Clarke ex Domin) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fulvus var. densispiculatus (Domin) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fulvus var. viscidus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fuscescens Willd. ex Link | Accepted |  | WCSP |  | 
	
		| Cyperus fusciformis Drobow [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus fusco-ater Meinsh. ex Korsh. | Synonym |  | WCSP |  | 
	
		| Cyperus fuscoferrugineus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus fuscovaginatus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus fuscus L. | Accepted |  | WCSP |  | 
	
		| Cyperus fuscus f. calidus (A.Kern.) Asch. & Graebn. | Synonym |  | WCSP |  | 
	
		| Cyperus fuscus var. condensatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fuscus f. fuscus | Synonym |  | TRO |  | 
	
		| Cyperus fuscus var. nigricans Neilr. | Synonym |  | WCSP |  | 
	
		| Cyperus fuscus var. pallescens Husn. | Synonym |  | WCSP |  | 
	
		| Cyperus fuscus var. subjuncellus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus fuscus f. virescens (Hoffm.) Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus fuscus var. virescens (Hoffm.) Dumort. | Synonym |  | WCSP |  | 
	
		| Cyperus fuscus subsp. virescens (Hoffm.) K.Richt. | Synonym |  | WCSP |  | 
	
		| Cyperus galapagensis Caruel. | Synonym |  | WCSP |  | 
	
		| Cyperus galengensis C.B. Clarke in Baker | Accepted |  | TRO |  | 
	
		| Cyperus gardneri Baker [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus gardneri Nees | Accepted |  | WCSP |  | 
	
		| Cyperus gardneri var. vegetior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus gatesii Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus gayi (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus geminatus J.Koenig ex Ainslie | Synonym |  | WCSP |  | 
	
		| Cyperus geminatus Schrad. ex Schult. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus geminiflorus (Steud.) Wickens | Synonym |  | WCSP |  | 
	
		| Cyperus giganteus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus giganteus Griseb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus giganteus var. comosus (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus gigantobulbes Lye | Accepted |  | WCSP |  | 
	
		| Cyperus gilesii Benth. | Accepted |  | WCSP |  | 
	
		| Cyperus ginge Welw. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus giolii Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus giolii var. nogalensis (Chiov.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus glaber Vill. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus glaber L. | Accepted |  | WCSP |  | 
	
		| Cyperus glaber var. blancheanus Boiss. | Synonym |  | WCSP |  | 
	
		| Cyperus glaber f. contractus Asch. & Graebn. | Synonym |  | WCSP |  | 
	
		| Cyperus glaber f. fasciculariformis Lojac. | Synonym |  | WCSP |  | 
	
		| Cyperus glaber var. subchoristachys (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus glandulosus (Bojer) Rolfe | Synonym |  | WCSP |  | 
	
		| Cyperus glareosus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus glaucinus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus glaucophyllus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus glaucophyllus var. longispiculosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus glaucophyllus var. zambesiensis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus glaucoviridis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus glaucus Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus glaucus Willd. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus glaucus var. gracilis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus glaziovianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus globifer (C.B.Clarke) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus globosus Forssk. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus All. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus globosus f. brevifolius Marcet | Synonym |  | WCSP |  | 
	
		| Cyperus globosus var. bubanii Debeaux | Synonym |  | WCSP |  | 
	
		| Cyperus globosus f. cinnamomeus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus globosus var. cymosus Willk. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus subsp. cymosus (Willk.) K.Richt. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus f. depauperatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus var. erectus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus f. fusco-ater (Meinsh. ex Korsh.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus var. humifusus (Clemente) Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus subsp. humifusus (Clemente) K.Richt. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus f. khasianus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus globosus var. khasianus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus f. minimus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus var. nilagiricus (Hochst. ex Steud.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus globosus var. nuerensis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus f. pauperior (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus globosus var. strictus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus globosus var. submonocephalus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus globosus var. tortuosa (J.Koenig ex Roxb.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus globosus f. tortuosus (J.Koenig ex Roxb.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus globularis Zinserl. | Unresolved |  | TRO |  | 
	
		| Cyperus globulifer J. Presl & C. Presl | Synonym |  | TRO |  | 
	
		| Cyperus globuliferus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus globuliferus Link | Synonym |  | WCSP |  | 
	
		| Cyperus globulosus Aubl. | Synonym |  | WCSP |  | 
	
		| Cyperus globulosus var. multiflorus Kük. & Ekman | Synonym |  | WCSP |  | 
	
		| Cyperus globulosus var. pseudofiliculmis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus globulosus var. robustus (Boeckeler) Shinners | Synonym |  | WCSP |  | 
	
		| Cyperus glomeratus Willd. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus glomeratus Roxb. ex Arn. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus glomeratus Walter [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus glomeratus L. | Accepted |  | WCSP |  | 
	
		| Cyperus glomeratus var. semiradiciflorus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus glomeratus f. stenostachys Borbás | Synonym |  | WCSP |  | 
	
		| Cyperus glomuliferus Schrad. ex Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus goeringii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus gondanus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus gossweileri Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus grabowskianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus gracilescens Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus gracilescens Roem. & Schult. | Synonym |  | TRO |  | 
	
		| Cyperus graciliculmis Lye | Accepted |  | WCSP |  | 
	
		| Cyperus gracilinux C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus gracilis Muhl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus gracilis Buchanan [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus gracilis Link [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus gracilis R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus gracilis var. enervis (R.Br.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus gracilis var. rigidellus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus gracilis f. viviparus Domin | Synonym |  | WCSP |  | 
	
		| Cyperus gracillimus (Chiov.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus gradatus Forssk. | Synonym |  | WCSP |  | 
	
		| Cyperus graeffei Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus gramineus Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus gramineus Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus graminicolus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus graminifolius Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus grammicus Kunze ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus granadinus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus granatensis C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus grandibulbosus C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus grandibulbosus var. amplus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus grandifolius J.G.Anderson | Accepted |  | WCSP |  | 
	
		| Cyperus grandis C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus grandisimplex C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus granitophilus McVaugh | Accepted |  | WCSP |  | 
	
		| Cyperus grantii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus granularis (Desf. ex Link) Britton | Synonym |  | WCSP |  | 
	
		| Cyperus granulatus Bosc ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus gratus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus grayi Torr. | Accepted |  | WCSP |  | 
	
		| Cyperus grayioides Mohlenbr. | Accepted |  | WCSP |  | 
	
		| Cyperus griffithianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus griffithii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus grossianus Pedersen | Accepted |  | WCSP |  | 
	
		| Cyperus guadalajaranus M.E.Jones | Synonym |  | WCSP |  | 
	
		| Cyperus guanipensis Schnee | Synonym |  | WCSP |  | 
	
		| Cyperus guaricensis Schnee | Synonym |  | WCSP |  | 
	
		| Cyperus guatemalensis Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus guatemalensis Gand. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus gubanii Väre & Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus guianensis (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus guineensis Nelmes | Synonym |  | WCSP |  | 
	
		| Cyperus gula-metthi Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus gunnii Hook.f. | Accepted |  | WCSP |  | 
	
		| Cyperus gunnii var. gunnii | Synonym |  | WCSP |  | 
	
		| Cyperus gunnii subsp. novae-hollandiae (Boeckeler) K.L.Wilson | Synonym |  | WCSP |  | 
	
		| Cyperus gunnii var. novae-hollandiae (Boeckeler) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus gussonei Gasp. ex Guss. | Synonym |  | WCSP |  | 
	
		| Cyperus guthnickii Tineo ex Lojac. | Synonym |  | WCSP |  | 
	
		| Cyperus gymnocaulos Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus gymnoleptus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus gymnos Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus gypsophilus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus gyraudinii Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus haematocephalus Boeckeler ex C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus haematodes Endl. | Accepted |  | WCSP |  | 
	
		| Cyperus haematostachys Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus haenkeanus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus haenkei J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus hahnianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus hainanensis (Chun & F.C.How) G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus hakonensis Franch. & Sav. | Accepted |  | WCSP |  | 
	
		| Cyperus halei Torr. ex Britton | Synonym |  | WCSP |  | 
	
		| Cyperus hallii Britton | Synonym |  | WCSP |  | 
	
		| Cyperus hamatus Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus hamiltonii Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus hamulatus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus hamulosus M.Bieb. | Accepted |  | WCSP |  | 
	
		| Cyperus hangianus Gand. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus hansenii Britton | Synonym |  | WCSP |  | 
	
		| Cyperus harrisii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus hartii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus haspan L. | Accepted |  | WCSP |  | 
	
		| Cyperus haspan var. adenophorus (Schrad. ex Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. americanus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. amplissimus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. bulboides Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. cancellatus (Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. coarctatus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus haspan f. coarctatus (Nees) Osten | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. dietrichiae Domin | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. firmicaulis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. flaccidissimus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. haspan | Synonym |  | TRO |  | 
	
		| Cyperus haspan subsp. junciformis Kük. | Synonym |  | TRO |  | 
	
		| Cyperus haspan subsp. juncoides (Lam.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus haspan f. major C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. riparius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. sphaerospermoides (Cherm.) Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. transiens (Cherm.) Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus haspan var. tuberiferus T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus haspanoides C.B.Clarke ex K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus havanensis Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus hawaicensis Hillebr. | Synonym |  | WCSP |  | 
	
		| Cyperus hawaiiensis H.Mann | Synonym |  | WCSP |  | 
	
		| Cyperus haworthii Gray | Synonym |  | WCSP |  | 
	
		| Cyperus hayesii (C.B.Clarke) Standl. | Accepted |  | WCSP |  | 
	
		| Cyperus hebes Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus heermannii Buckley | Synonym |  | WCSP |  | 
	
		| Cyperus heldreichianus Boiss. | Synonym |  | WCSP |  | 
	
		| Cyperus helferi Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus helodes Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus helvus Liebm. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus hemadrii M.R.Almeida [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus hemisphaericus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus hemisphaericus var. gregorii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus hemisphaericus var. longibracteus A.Peter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus hensii C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus heptaphyllus Larrañaga [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus herana Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus herana var. angustifolius Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus herbicavus Melliss | Synonym |  | WCSP |  | 
	
		| Cyperus herbivagus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus × heribaudii Pau [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus hermaphroditus (Jacq.) Standl. | Accepted |  | WCSP |  | 
	
		| Cyperus hermaphroditus var. angustior (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus hermaphroditus var. condensatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus hermaphroditus var. hermaphroditus | Synonym |  | TRO |  | 
	
		| Cyperus hermaphroditus var. longiradiatus (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus hermaphroditus var. longispicatus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus herndoniae G.C.Tucker | Synonym |  | WCSP |  | 
	
		| Cyperus herteri Kük. ex Osten [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus hesperius K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus heterocladus Baker | Accepted |  | WCSP |  | 
	
		| Cyperus heterophyllus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus heudelotii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus hexastachyos Rottb. | Synonym |  | WCSP |  | 
	
		| Cyperus hexastachyos Sw. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus hexastachyus Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus heyneanus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus heynei Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus hieronymi Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus hieronymi Boeck. | Unresolved |  | TRO |  | 
	
		| Cyperus hieronymi var. fiebrigii (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus hilairenus Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus hildebrandtii (C.B.Clarke) K.Schum. ex T.Durand & B.D.Jacks. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus hildebrandtii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus hildra Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus hilgendorfianus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus hillebrandii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus hillebrandii var. decipiens (Hillebr.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus hillebrandii var. helleri Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus hillebrandii var. hillebrandii | Synonym |  | WCSP |  | 
	
		| Cyperus hillebrandii var. mauiensis (Hillebr.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus hirsutus P.J.Bergius | Synonym |  | WCSP |  | 
	
		| Cyperus hirsutus Berg. | Synonym |  | TRO |  | 
	
		| Cyperus hirtellus (Chiov.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus hirtus Thunb. | Synonym |  | WCSP |  | 
	
		| Cyperus hochstetteri Nees ex Krauss | Synonym |  | WCSP |  | 
	
		| Cyperus hochstetteri var. russa C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus hochstetteri var. tenuis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus holciflorus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus holciformis J. Presl & C. Presl | Unresolved |  | TRO |  | 
	
		| Cyperus holophyllus Miq. ex de Vriese | Synonym |  | WCSP |  | 
	
		| Cyperus holophyllus var. celebica Miq. | Synonym |  | TRO |  | 
	
		| Cyperus holophyllus var. celebicus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus holoschoenoides Jan ex Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus holoschoenus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus holoschoenus (L.) Missbach & E.H.L.Krause [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus holoschoenus var. fuscisquamatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus holoschoenus var. viscidus W.Fitzg. | Synonym |  | WCSP |  | 
	
		| Cyperus holosericeus Link | Synonym |  | WCSP |  | 
	
		| Cyperus holostigma C.B.Clarke ex Schweinf. | Accepted |  | WCSP |  | 
	
		| Cyperus holstii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus homoiiria Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus honestus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus honoluluensis Steud. ex Jard. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus hookeri Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus hookerianus Thwaites | Synonym |  | WCSP |  | 
	
		| Cyperus hookerianus Arn. ex C.B.Clarke [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus hookerianus Arnott ex Wight | Synonym |  | TRO |  | 
	
		| Cyperus hoppiifolius Uittien | Accepted |  | WCSP |  | 
	
		| Cyperus horizontalis Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus horizontalis Willd. ex Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus horizontalis Salisb. | Synonym |  | WCSP |  | 
	
		| Cyperus hostmannii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus houghtonii Torr. | Accepted |  | WCSP |  | 
	
		| Cyperus houghtonii var. bushii (Britton) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus houghtonii var. uberior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus howellii O'Neill & Ben.Ayers | Synonym |  | WCSP |  | 
	
		| Cyperus huarmensis (Kunth) M.C.Johnst. | Synonym |  | WCSP |  | 
	
		| Cyperus huillensis Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus humboldtianus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus humifusus Clemente | Synonym |  | WCSP |  | 
	
		| Cyperus humilis Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus humilis var. elatior Britton | Synonym |  | WCSP |  | 
	
		| Cyperus hyalinolepis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus hyalinus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus hyalinus var. substerilis (E.G.Camus) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus × hybridus Hausskn. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus hydra Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus hydra Michx. | Synonym |  | WCSP |  | 
	
		| Cyperus hyemalis Pursh ex C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus hylaeus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus hylophilus Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus hypochlorus Hillebr. | Accepted |  | WCSP |  | 
	
		| Cyperus hypochlorus var. brevior Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus hypochlorus var. densispicatus Skottsb. | Synonym |  | WCSP |  | 
	
		| Cyperus hypochlorus var. hypochlorus | Synonym |  | WCSP |  | 
	
		| Cyperus hypochlorus var. kauaiensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus hypopitys G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus hystricinus Fernald | Accepted |  | WCSP |  | 
	
		| Cyperus ibeensis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus ignoratus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ignotus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus imbecillis R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus imbricatus Retz. | Accepted |  | WCSP |  | 
	
		| Cyperus imbricatus var. capitatus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus imbricatus var. densispicatus (Hayata) Ohwi | Synonym |  | WCSP |  | 
	
		| Cyperus imbricatus var. elongatus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus imbricatus subsp. elongatus (Boeckeler) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus imbricatus var. imbricatus | Synonym |  | TRO |  | 
	
		| Cyperus imbricatus var. minor (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus imbricatus var. multiflorus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus imbricatus var. viridispicatus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus imerinensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus immanis Nelmes | Synonym |  | WCSP |  | 
	
		| Cyperus immensus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus immensus var. petherickii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus immensus var. taylorii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus impolitus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus impubes Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus impubes var. brevispiculosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus impubes var. fallax (Cherm.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus impubes var. impubes | Synonym |  | WCSP |  | 
	
		| Cyperus impubes f. major (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus impubes var. rohlfsii (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus impubes var. viguieri (Cherm.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus inaequalis Willemet | Accepted |  | WCSP |  | 
	
		| Cyperus inaequalis Link [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus inauratus (Nees ex Boeckeler) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus inauratus var. laevicarinatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus incarnatus Link | Synonym |  | WCSP |  | 
	
		| Cyperus incompletus (Jacq.) Link | Synonym |  | WCSP |  | 
	
		| Cyperus incompletus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus incompressus C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus incomtus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus incomtus var. dissolutior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus incomtus var. miguelii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus incomtus var. venturii (Kük.) Barros | Synonym |  | WCSP |  | 
	
		| Cyperus inconspicuus Gennari [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus inconspicuus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus incrassatus Beyr. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus incurvatus Roxb. | Synonym |  | WCSP |  | 
	
		| Cyperus incurvus Spreng. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus indecorus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus indecorus var. decurvatus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus indecorus var. dinteri Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus indecorus var. inflatus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus indecorus var. namaquensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus indicus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus indicus Rich. ex Pers. | Synonym |  | WCSP |  | 
	
		| Cyperus infirmus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus inflexus Muhl. | Synonym |  | WCSP |  | 
	
		| Cyperus inflexus var. acaulis Hook.f. | Synonym |  | WCSP |  | 
	
		| Cyperus inflexus var. elongatus Hook.f. | Synonym |  | WCSP |  | 
	
		| Cyperus infra-apicalis Nees ex Aitch. | Synonym |  | WCSP |  | 
	
		| Cyperus infucatus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus ingratus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus inops C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus inornatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus × insidiosus Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus insignis Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus insularis Heenan & de Lange | Accepted |  | WCSP |  | 
	
		| Cyperus intactus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus interceptus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus intermedius Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus intermedius Guss. | Synonym |  | WCSP |  | 
	
		| Cyperus intersita Zinserl. | Unresolved |  | TRO |  | 
	
		| Cyperus intricatoramosus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus intricatus Schrad. ex Schult. | Accepted |  | WCSP |  | 
	
		| Cyperus inundatus Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus inundatus R.Br. | Synonym |  | WCSP |  | 
	
		| Cyperus inundatus Roxb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus involucratus Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus involucratus Poir. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus involutus R.Br. | Synonym |  | WCSP |  | 
	
		| Cyperus involutus (C.B.Clarke) K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus iria L. | Accepted |  | WCSP |  | 
	
		| Cyperus iria f. chrysomelinus (Link) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus iria f. diaphaniria (Steud.) Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus iria f. flavescens (Benth.) Domin | Synonym |  | WCSP |  | 
	
		| Cyperus iria var. flavescens Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus iria f. multiflora Domin | Synonym |  | WCSP |  | 
	
		| Cyperus iria var. paniciformis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus iria var. parviflorus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus iria var. rectangularis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus iria var. santonici (Rottb.) Fernald & Griscom | Synonym |  | WCSP |  | 
	
		| Cyperus iridifolius A.Dietr. | Synonym |  | WCSP |  | 
	
		| Cyperus isabellinus K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus ischnocormus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus ischnos Schltdl. | Accepted |  | WCSP |  | 
	
		| Cyperus ischnos var. arsenii (Palla) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ischnostachys Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus isocladus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus italicus Tod. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus italicus Rottb. | Synonym |  | WCSP |  | 
	
		| Cyperus ivohibensis (Cherm.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus iwasakii Makino | Synonym |  | WCSP |  | 
	
		| Cyperus ixiocarpus F.Muell. | Accepted |  | WCSP |  | 
	
		| Cyperus jacquemontii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus jacquinii Schrad. | Synonym |  | WCSP |  | 
	
		| Cyperus jaeggii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus jamaicensis Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus japonicus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus japonicus Makino [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus jardinei Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus javanicus Kük. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus javanicus Houtt. | Accepted |  | WCSP |  | 
	
		| Cyperus jeminicus Retz. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus jeminicus Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus jenmani C.B. Clarke | Unresolved |  | TRO |  | 
	
		| Cyperus jenmanii C.B.Clarke ex Morong | Synonym |  | WCSP |  | 
	
		| Cyperus jocladus E.Mey. | Synonym |  | WCSP |  | 
	
		| Cyperus jouannatii Pau [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus jubiflorus Rudge | Synonym |  | WCSP |  | 
	
		| Cyperus jucundus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus juncelliformis Peter & Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus juncellus Dinter | Synonym |  | WCSP |  | 
	
		| Cyperus junceus Link | Synonym |  | WCSP |  | 
	
		| Cyperus junciformis Desf. | Synonym |  | WCSP |  | 
	
		| Cyperus juncoides Regel [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus juncoides Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus jungendus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus junghuhnii Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus kabarensis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus × kadzusensis T.Koyama [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus kaessneri C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus kalli (Forssk.) Murb. | Synonym |  | WCSP |  | 
	
		| Cyperus kamphoeveneri Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus kamtschatica Kom. | Unresolved |  | TRO |  | 
	
		| Cyperus kappleri Hochst. ex Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus karisimbiensis (Cherm.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus karisimbiensis var. longinux (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus karlschumannii C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus karthikeyanii Wad.Khan & Lakshmin. | Accepted |  | WCSP |  | 
	
		| Cyperus kasamensis Podlech | Accepted |  | WCSP |  | 
	
		| Cyperus kegelianus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus keniensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus kernianus Ohwi & T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus kerstenii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus kerstenii var. irregularis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus kerstingii Engl. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus kibweanus J.Duvign. | Accepted |  | WCSP |  | 
	
		| Cyperus kilimandscharicus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus kilimandscharicus var. chlorilepis Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus kingsii C.D.Adams ex Proctor | Synonym |  | WCSP |  | 
	
		| Cyperus kipasensis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus kirkii C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus kituiensis Muasya | Accepted |  | WCSP |  | 
	
		| Cyperus kivuensis Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus kleinianus Hochst. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus koenigii Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus konkanensis T.Cooke | Synonym |  | WCSP |  | 
	
		| Cyperus korshinskyi Meinsh. | Synonym |  | WCSP |  | 
	
		| Cyperus kotschyanus Fenzl ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus kottensis Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus koyaliensis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus krameri Franch. & Sav. | Synonym |  | WCSP |  | 
	
		| Cyperus kraussii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus krebsii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus krugii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus kuebensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus kuekenthalii Merr. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus kunthianus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus kunthianus H.Mann [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus kunthianus (Gaudich.) Hillebr. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus kunthii Parl. | Synonym |  | WCSP |  | 
	
		| Cyperus kuntzei Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus kurrii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus kurzii C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus kwaleensis Lye | Accepted |  | WCSP |  | 
	
		| Cyperus kyllingia Endl. | Synonym |  | WCSP |  | 
	
		| Cyperus kyllingia f. humilis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus kyllingia var. latifolius (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus kyllingia f. subtriceps (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus kyllingia f. tenuis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus kyllingiella Larridon | Accepted |  | WCSP |  | 
	
		| Cyperus kyllingiformis Lye | Accepted |  | WCSP |  | 
	
		| Cyperus kyllingioides Pursh [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus kyllingioides Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus kyllingioides var. incrassatus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lacteus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus lacunosus Griseb. | Accepted |  | WCSP |  | 
	
		| Cyperus lacustris Phil. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus lacustris Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus lacustris (L.) Missbach & E.H.L.Krause [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus laeteflorens (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus laetus C.B.Clarke [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus laetus J.Presl & C.Presl | Accepted |  | WCSP |  | 
	
		| Cyperus laetus var. arechavaletae (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. balansae (Maury) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. capitatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. capitatus Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus laetus var. cephalanthus (Torr. & Hook.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. conceptionis (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laetus f. contracta Osten | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. elatior Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. hassleri (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. impolitus (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laetus subsp. laetus | Synonym |  | TRO |  | 
	
		| Cyperus laetus var. laeviculmis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. maximus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. maximus (Kük.) Osten | Synonym |  | TRO |  | 
	
		| Cyperus laetus var. obtusiflora Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus laetus subsp. oostachyus (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. parciflorus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laetus var. tenuissimus Gross & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus L. | Accepted |  | WCSP |  | 
	
		| Cyperus laevigatus var. albidus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus subsp. albidus (Vahl) Maire & Weiller | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus f. atratus Peter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus var. caespitosa C.B. Clarke in Baker | Accepted |  | TRO |  | 
	
		| Cyperus laevigatus var. caespitosus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus f. depauperata Baker | Synonym |  | TRO |  | 
	
		| Cyperus laevigatus var. distachyos (All.) Coss. & Durieu | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus subsp. distachyos (All.) Ball | Accepted |  | WCSP |  | 
	
		| Cyperus laevigatus subsp. distachyos (All.) Maire & Weiller | Synonym |  | TRO |  | 
	
		| Cyperus laevigatus subsp. laevigatus | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus var. laevigatus | Synonym |  | TRO |  | 
	
		| Cyperus laevigatus f. macra C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus var. pallae (Kneuck.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus var. pictus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus var. ramlehensis Sickenb. | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus f. reptans (Boeckeler) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus var. reptans (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus var. subaphyllus (Boeckeler ex Schinz) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus var. viridulus (Boeckeler) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus laevigatus var. viridulus (Boeck.) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus laevigatus f. viridulus (Boeck.) C.B. Clarke | Synonym |  | TRO |  | 
	
		| Cyperus laevis R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus laevissimus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus lagorensis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus lagunetto Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus lamarckianus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus lamprocarpus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus lamprocarpus Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus lanatus Ruiz ex Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus lancastriensis Porter | Accepted |  | WCSP |  | 
	
		| Cyperus lanceola Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceolatus Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceolatus var. compositus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus lanceolatus var. helvus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceolatus var. subunioloides Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceolatus var. tener (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus Thunb. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus F.Muell. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus var. angustifolius Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus f. densior (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus var. divaricatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus var. grantii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus var. humilis Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus var. macrostachya Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus var. melanopus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus var. mucronatus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus var. palaestinensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lanceus var. ramosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lanuginosulus Ruiz ex Buchenau | Unresolved |  | WCSP |  | 
	
		| Cyperus lapidicola Kük. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus lateralis L.f. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus lateralis Forssk. | Synonym |  | WCSP |  | 
	
		| Cyperus lateriflorus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus lateriflorus Torr. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus lateriticus J.Raynal | Accepted |  | WCSP |  | 
	
		| Cyperus latespicatus var. setiformis T. Koyama | Synonym |  | TRO |  | 
	
		| Cyperus laticulmis Spreng. | Synonym |  | WCSP |  | 
	
		| Cyperus latifolius Poir. | Accepted |  | WCSP |  | 
	
		| Cyperus latifolius (Willd.) M.R.Almeida [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus latifolius var. angustifolius C.Krauss | Synonym |  | WCSP |  | 
	
		| Cyperus latifolius var. austroafricanus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus latifolius var. fimbristyloides Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus latifolius var. herana (Cherm.) Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus latifolius var. solidifolius (Boeckeler) Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus latispicatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus latispicatus var. acaulis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus latispicatus var. diaphanus (Schrad. ex Roem. & Schult.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus latispicatus var. gracilescens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus latispicatus var. laxus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus latovaginata Govind. | Synonym |  | WCSP |  | 
	
		| Cyperus latzii K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus laxiflorus Poir. | Accepted |  | WCSP |  | 
	
		| Cyperus laxispicatus Kük. | Unresolved |  | WCSP |  | 
	
		| Cyperus laxispicatus var. brunneotinctus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laxispicatus var. percrassus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laxispicatus var. testui (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus laxiusculus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus laxus Willemet [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus laxus Griseb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus laxus R.Br. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus laxus Lam. | Accepted |  | WCSP |  | 
	
		| Cyperus laxus Vahl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus laxus subsp. buchholzii (Boeckeler) Lye | Accepted |  | WCSP |  | 
	
		| Cyperus laxus subsp. laxus | Synonym |  | WCSP |  | 
	
		| Cyperus laxus subsp. macrostachyus (Boeckeler) V.P.Prasad & N.P.Singh | Synonym |  | WCSP |  | 
	
		| Cyperus laxus var. macrostachyus (Boeckeler) Karth. | Synonym |  | WCSP |  | 
	
		| Cyperus laxus subsp. sylvestris (Ridl.) Lye | Accepted |  | WCSP |  | 
	
		| Cyperus leavenworthii Dewey | Unresolved |  | TRO |  | 
	
		| Cyperus lechleri Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus lechleri var. viridiglaucus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus lecontei Torr. ex Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus ledermannii (Kük.) S.S.Hooper | Synonym |  | WCSP |  | 
	
		| Cyperus lehmannii (Nees) F.Muell. | Synonym |  | WCSP |  | 
	
		| Cyperus leiocaulon Benth. | Accepted |  | WCSP |  | 
	
		| Cyperus lenticularis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus lentiginosus Millsp. & Chase | Accepted |  | WCSP |  | 
	
		| Cyperus leonensis Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus lepidus Hochst. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus lepidus F.Muell. ex C.B.Clarke [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus lepidus Phil. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus lepidus Hochst. | Synonym |  | TRO |  | 
	
		| Cyperus leptanthos Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus leptocladus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus leptolepis Peter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus leptophyes C.B.Clarke [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus leptophyllus (C.B.Clarke) Hochst. ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus leptophyllus f. conglobata Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus leptophyllus var. deliciosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus leptophyllus var. friesii (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus leptophyllus var. ibeensis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus leptorhachis Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus leptos Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus leptostachys Nees [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus leptostachyus Griff. | Synonym |  | WCSP |  | 
	
		| Cyperus lessonianus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus leucanthus Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus leucocephalus Retz. | Accepted |  | WCSP |  | 
	
		| Cyperus leucocephalus Hassk. | Synonym |  | WCSP |  | 
	
		| Cyperus leucolepis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus leucolepis J.Carey ex C.B.Clarke [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus leucoloma Nees | Synonym |  | WCSP |  | 
	
		| Cyperus leucostachys Link | Synonym |  | WCSP |  | 
	
		| Cyperus levis F.Muell. ex C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus lhotskyanus Beck | Accepted |  | WCSP |  | 
	
		| Cyperus liebmannii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus ligularis Hemsl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus ligularis L. | Accepted |  | WCSP |  | 
	
		| Cyperus ligularis var. spicatocapitatus (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ligusticus Gand. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus limbatus Maury ex Micheli | Synonym |  | WCSP |  | 
	
		| Cyperus limiticola Larridon & Reynders | Accepted |  | WCSP |  | 
	
		| Cyperus limosus Maxim. | Accepted |  | WCSP |  | 
	
		| Cyperus linctus G.Forst. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus linearispiculatus T.L.Dai | Accepted |  | WCSP |  | 
	
		| Cyperus linkianus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus linnaeanus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus lipocarpha T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus lipocarphioides (Kük.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus litoreus (C.B.Clarke) Britton ex Small | Synonym |  | WCSP |  | 
	
		| Cyperus litos Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus littoralis R.Br. | Synonym |  | WCSP |  | 
	
		| Cyperus litvinovii Meinsh. | Unresolved |  | TRO |  | 
	
		| Cyperus litwinowii Meinsh. | Synonym |  | WCSP |  | 
	
		| Cyperus lividus Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus locuples C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus lomatophyllus Engl. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus lomentaceus Nees & Meyen ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus longespicatus Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus longibracteatus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longibracteatus var. niger (C.B.Clarke) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus longibracteatus var. rubrotinctus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longibracteatus var. subdistans Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longicaulis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus longicruris Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus longifolius Poir. | Accepted |  | WCSP |  | 
	
		| Cyperus longifolius var. condensatus Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus longiinvolucratus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus longiradiatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus longispicatus Norton [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus longispicatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus longispicula Muasya & D.A.Simpson | Accepted |  | WCSP |  | 
	
		| Cyperus longistolon Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longistolon subsp. atrofuscus (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus longistylus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus longivaginans Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus longus L. | Accepted |  | WCSP |  | 
	
		| Cyperus longus var. adoensis (Hochst. ex A.Rich.) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. auratus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus longus f. badiiformis (Chiov.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. badius (Desf.) Cambess. | Synonym |  | WCSP |  | 
	
		| Cyperus longus subsp. badius (Desf.) Bonnier & Layens | Accepted |  | WCSP |  | 
	
		| Cyperus longus subsp. badius Urb. | Synonym |  | TRO |  | 
	
		| Cyperus longus f. cypricus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus longus f. difformis (Lojac.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. discolor Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. elongatus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. elongatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. gracilis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. guthnickii (Tineo ex Lojac.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. heldreichianus (Boiss.) Boiss. | Synonym |  | WCSP |  | 
	
		| Cyperus longus f. intermedius (Guss.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. leptochlaenus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus f. longispiculatus Reynolds | Synonym |  | WCSP |  | 
	
		| Cyperus longus subsp. longus | Synonym |  | WCSP |  | 
	
		| Cyperus longus f. lucanus A.Terracc. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. maculatus (Boeckeler) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus longus f. myriostachyus (Ten.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. pallescens (Desf.) Coss. & Durand | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. pallidior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. pallidus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus longus f. parlatoris (Lojac.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. speciosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. stenostachyus (Benth.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus subsp. tenuiflorus (Rottb.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus longus var. tenuiflorus (Rottb.) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus lorentzianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus lorentzianus var. compressus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lorentzianus var. elatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus louisianae Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus louisianensis Thieret | Synonym |  | WCSP |  | 
	
		| Cyperus lucentinigricans K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus lucidulus C.B.Clarke [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus lucidulus Link [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus lucidus Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus lucidus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus lucidus var. acutus (R.Br.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lucidus var. grandiusculus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lucidus var. gunnii (Hook.f.) C.Moore & Betche | Synonym |  | WCSP |  | 
	
		| Cyperus lucidus var. sanguineofuscus (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus luerssenii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus lundellii O'Neill | Accepted |  | WCSP |  | 
	
		| Cyperus lupulinus (Spreng.) Marcks | Accepted |  | WCSP |  | 
	
		| Cyperus lupulinus subsp. lupulinus | Synonym |  | WCSP |  | 
	
		| Cyperus lupulinus subsp. macilentus (Fernald) Marcks | Accepted |  | WCSP |  | 
	
		| Cyperus lupulinus var. macilentus (Fernald) A.Haines | Synonym |  | WCSP |  | 
	
		| Cyperus lurida Govind. | Synonym |  | WCSP |  | 
	
		| Cyperus luteolus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus luteostramineus Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus lutescens Phil. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus lutescens Torr. & Hook. | Synonym |  | WCSP |  | 
	
		| Cyperus lutescens var. fulvescens C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus luteus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus luteus var. manongarivensis (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus luzonensis J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus luzulae Hochst. ex Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus luzulae (L.) Retz. | Accepted |  | WCSP |  | 
	
		| Cyperus luzulae f. conoideus (Rich.) Nees | Synonym |  | WCSP |  | 
	
		| Cyperus luzulae var. entrerianus (Boeckeler) M.Barros | Synonym |  | WCSP |  | 
	
		| Cyperus luzulae var. minor Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus luzulae f. pallidiflorens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus luzulae var. tucumanensis (Boeckeler) C.B.Clarke ex Chodat | Synonym |  | WCSP |  | 
	
		| Cyperus luzulae var. umbellulatus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus luzuliformis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus macellus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus macer C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus macilentus (Fernald) E.P.Bicknell | Synonym |  | WCSP |  | 
	
		| Cyperus macranthus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus macranthus f. acuticarinatus (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus macranthus var. angustifolius (Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus macranthus var. mucronatus (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus macreilema Steud. ex Jard. | Synonym |  | WCSP |  | 
	
		| Cyperus macrocarpus (Kunth) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus macrocarpus var. excelsior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus macrocarpus var. humbertii (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus macrocarpus var. kraussii (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus macrocarpus var. pseudoflavus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus macrocarpus var. submacrocarpus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus macrocephalus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus macrocephalus var. eggersii (Boeckeler) S.D.Jones, Wipff & R.Carter | Synonym |  | WCSP |  | 
	
		| Cyperus macrolepis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus macropachycephalus Goetgh. | Accepted |  | WCSP |  | 
	
		| Cyperus macrophyllus (Brongn.) Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus macropus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus macropus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus macrorrhizus Nees ex Boiss. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus macrorrhizus Nees | Accepted |  | WCSP |  | 
	
		| Cyperus macrosciadion Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus macrostachyos Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus macrostachyos subsp. tremulus (Poir.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus macrostachys Link [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus macrostachyus Ten. ex Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus maculatus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus maculatus subsp. maculatus | Synonym |  | WCSP |  | 
	
		| Cyperus maculatus var. naumannianus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus madagascariensis (Willd.) Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus maderaspatanus Willd. | Accepted |  | WCSP |  | 
	
		| Cyperus major (Boeckeler) Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus major var. micranthus Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus majungensis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus makinoi Nakai | Synonym |  | WCSP |  | 
	
		| Cyperus malabaricus (C.B.Clarke) T.Cooke | Synonym |  | WCSP |  | 
	
		| Cyperus malaccensis Lam. | Accepted |  | WCSP |  | 
	
		| Cyperus malaccensis var. brevifolius Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus malaccensis subsp. malaccensis | Synonym |  | WCSP |  | 
	
		| Cyperus malaccensis var. malaccensis | Synonym |  | TRO |  | 
	
		| Cyperus malaccensis subsp. monophyllus (Vahl) T.Koyama | Accepted |  | WCSP |  | 
	
		| Cyperus malawicus (J.Raynal) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus mangorensis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus mangorensis var. volodioides (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus manilensis Boeckeler ex Warb. | Synonym |  | WCSP |  | 
	
		| Cyperus manimae Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus manimae var. apiculatus (Liebm.) C.D.Adams | Accepted |  | WCSP |  | 
	
		| Cyperus manimae var. asperrimus (Liebm.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus manimae var. divergens (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus manimae var. manimae | Synonym |  | WCSP |  | 
	
		| Cyperus manimae var. phaeocephalus (Griseb.) O'Neill & Ben.Ayers | Synonym |  | WCSP |  | 
	
		| Cyperus manimae var. pseudospectabilis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mannii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus mapanioides C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus mapanioides var. major (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mapanioides f. micranthus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus maranguensis K.Schum. | Accepted |  | WCSP |  | 
	
		| Cyperus maranguensis var. ferrugineoviridis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus margaritaceus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus margaritaceus var. karlschumannii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus margaritaceus var. nduru (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus margaritaceus var. prorepens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus margaritaceus var. pseudoniveus (Boeckeler) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus margaritaceus var. tisserantii (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus marginatus Thunb. | Accepted |  | WCSP |  | 
	
		| Cyperus marginatus var. blandus (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus marginellus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus mariscoides Elliott [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus mariscoides Nutt. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus mariscus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus maritimus (Miq.) Suringar [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus maritimus (Lam.) P.Silva [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus maritimus Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus maritimus Gouan ex Spreng. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus maritimus var. crassipes (Vahl) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus maritimus var. gracilescens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus maritimus var. subtilis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus marlothii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus marlothii var. seineri Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus marojejyensis Bosser | Accepted |  | WCSP |  | 
	
		| Cyperus marquisensis F.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus martianus Schrad. ex Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus martianus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus martindalei Britton | Synonym |  | WCSP |  | 
	
		| Cyperus martinicensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus matagoroensis Muasya & D.A.Simpson | Accepted |  | WCSP |  | 
	
		| Cyperus matudae G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus mauiensis Hillebr. | Synonym |  | WCSP |  | 
	
		| Cyperus mauretaniensis Väre & Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus mauritianus Willemet [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus mauryi Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus maximiliani (Schrad. ex Nees) Griseb. | Synonym |  | WCSP |  | 
	
		| Cyperus maximiliani Schrad. ex Nees [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus maximus Roxb. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus mayeri Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mediorubescens Hayata | Synonym |  | WCSP |  | 
	
		| Cyperus medusaeus Chiov. | Accepted |  | WCSP |  | 
	
		| Cyperus meeboldii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus megalanthus (Kük.) G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus megapotamicus (A.Dietr.) Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus megapotamicus var. jaeggii (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus megapotamicus var. nematodes Kük. ex Osten | Synonym |  | WCSP |  | 
	
		| Cyperus meistostylus S.T.Blake | Accepted |  | WCSP |  | 
	
		| Cyperus melanacme (Nelmes) Raymond | Synonym |  | WCSP |  | 
	
		| Cyperus melanocephalus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus melanocephalus R.Br. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus melanopus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus melanorhizus Delile | Synonym |  | WCSP |  | 
	
		| Cyperus melanosperma (Nees) Suringar | Synonym |  | TRO |  | 
	
		| Cyperus melanospermus (Nees) Suringar | Synonym |  | WCSP |  | 
	
		| Cyperus melanospermus subsp. bifolius (Miq.) J.Kern | Synonym |  | WCSP |  | 
	
		| Cyperus melanospermus subsp. elatus (Steud.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus melanospermus var. hexalatus (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus melanospermus var. imerinensis (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus melanospermus var. perrieri (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus melanospermus var. plurifoliatus (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus melanostachyus Walp. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus melanostachyus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus melanostachyus var. caespitosus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus melanostachyus var. gracilis Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus melanostachyus var. robustus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus melas Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus melicoides Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus membranaceus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus mendoncae Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus meridionalis Barros | Accepted |  | WCSP |  | 
	
		| Cyperus merkeri C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus merrillii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus merxmuelleri (Podlech) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus × mesochorus Geise | Accepted |  | WCSP |  | 
	
		| Cyperus metzii (Hochst. ex Steud.) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mexicanus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus meyenianus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus meyenianus var. breviradiatus Maury | Synonym |  | WCSP |  | 
	
		| Cyperus meyenianus var. oligostachys (Schrad. ex Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus meyenianus var. paranaguensis (Palla) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus meyenianus var. patentissimus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus meyenii Nees, Wight & Arn. | Synonym |  | WCSP |  | 
	
		| Cyperus meyerianus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus micans Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus michauxianus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus michauxianus var. elongatus Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus michelianus (L.) Delile | Accepted |  | WCSP |  | 
	
		| Cyperus michelianus (L.) Link | Synonym |  | TRO |  | 
	
		| Cyperus michelianus f. elatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus michelianus f. exiguus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus michelianus f. hilgendorfianus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus michelianus subsp. michelianus | Synonym |  | WCSP |  | 
	
		| Cyperus michelianus var. nipponicus (Franch. & Sav.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus michelianus var. pacificus Ohwi | Synonym |  | WCSP |  | 
	
		| Cyperus michelianus subsp. pygmaeus (Rottb.) Asch. & Graebn. | Accepted |  | WCSP |  | 
	
		| Cyperus michoacanensis Britton ex C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus micrantherus Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus micranthus J.Presl & C.Presl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus micranthus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus micreilema Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus microaureus Lye | Synonym |  | WCSP |  | 
	
		| Cyperus microbolbos C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus microbracteatus (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus microbrunneus G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus microbulbosus (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus microcarpus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus microcephalus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus microcephalus subsp. microcephalus | Synonym |  | WCSP |  | 
	
		| Cyperus microcristatus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus microdontus Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus microdontus var. texensis Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus microglumis D.A.Simpson | Accepted |  | WCSP |  | 
	
		| Cyperus microiria Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus microlepis Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus microlepis Baker | Synonym |  | TRO |  | 
	
		| Cyperus micromariscus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus micromedusaeus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus micromegas Nees | Synonym |  | WCSP |  | 
	
		| Cyperus micromelas (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus micropelophilus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus microstachyus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus microstylus (C.B.Clarke) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus microumbellatus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus × mihashii T.Koyama [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus miliifolius Poepp. & Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus miliifolius var. rotheryi A.Gross | Synonym |  | WCSP |  | 
	
		| Cyperus miliifolius var. saturatus (Donn.Sm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus minarum Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus minimus Forssk. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus minimus L. | Synonym |  | WCSP |  | 
	
		| Cyperus minor Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus minutiflorus J.Presl & C.Presl [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus minutulus K.Schum. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus minutulus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus minutus (C.B.Clarke) Kük. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus minutus Roth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus minutus J.F.Gmel. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus mirus C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus mitis Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus modestulus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus moestus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus mogadoxensis Chiov. | Accepted |  | WCSP |  | 
	
		| Cyperus mohrii Britton ex C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus molliglumis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus mollipes (C.B.Clarke) K.Schum. | Accepted |  | WCSP |  | 
	
		| Cyperus mollipes var. amomodorus (K.Schum.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mollipes var. bulbocaulis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mollipes var. globifer (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mollipes var. paolii (Chiov.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mollis Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus monandrus Roth | Synonym |  | WCSP |  | 
	
		| Cyperus monocephaloides Roxb. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus monocephalus Baker [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus monocephalus Roxb. | Synonym |  | WCSP |  | 
	
		| Cyperus monocephalus F.Muell. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus monogynus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus monophyllus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus monospermus (S.M.Huang) G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus monostachyos L. | Synonym |  | WCSP |  | 
	
		| Cyperus monostachyos Link [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus monostachys Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus monostigma C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus monroviensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus montanus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus monti L.f. | Synonym |  | WCSP |  | 
	
		| Cyperus monti var. stylosa C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus montis-sellae K.Schum. ex Warb. | Synonym |  | WCSP |  | 
	
		| Cyperus morandinii Pic.Serm. | Synonym |  | WCSP |  | 
	
		| Cyperus mortonii (S.S.Hooper) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus mossii Turrill | Synonym |  | WCSP |  | 
	
		| Cyperus moutona F.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus mucronatus Rottb. | Synonym |  | WCSP |  | 
	
		| Cyperus mucronatus Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus mucronatus (L.) Mabille [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus mucronatus L. | Synonym |  | TRO |  | 
	
		| Cyperus mudugensis D.A.Simpson | Accepted |  | WCSP |  | 
	
		| Cyperus muehlenbergii Spreng. | Synonym |  | WCSP |  | 
	
		| Cyperus muelleri Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus mulen-pullu Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus muliifolius Poepp. & Kunth | Accepted |  | TRO |  | 
	
		| Cyperus multibracteatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus multicaulis (Sm.) Missbach & E.H.L.Krause | Synonym |  | WCSP |  | 
	
		| Cyperus multiceps Link | Synonym |  | WCSP |  | 
	
		| Cyperus multiceps Hook. & Arn. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus multiflorus Kunth [Spelling variant] | Synonym |  | WCSP |  | 
	
		| Cyperus multiflorus (Britton) Small | Synonym |  | WCSP |  | 
	
		| Cyperus multifolius Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus multiglumis Turrill | Synonym |  | WCSP |  | 
	
		| Cyperus multinervatus Bosser | Accepted |  | WCSP |  | 
	
		| Cyperus multiradiatus (Torr.) C.Mohr | Synonym |  | WCSP |  | 
	
		| Cyperus multispicatus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus multispiceus R.Booth, D.J.Moore & Hodgon | Accepted |  | WCSP |  | 
	
		| Cyperus multumbelliferus Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus mundii (Nees) Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus mundii var. densispiculosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mundii f. distichophyllus (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mundii var. distichophyllus (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mundii var. glaucus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus mundii var. uniceps (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mundulus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus muniziae G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus muricatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus musarius Buch.-Ham. ex Wall. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus mutisii (Kunth) Andersson | Accepted |  | WCSP |  | 
	
		| Cyperus mutisii var. asper (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mutisii var. contractus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mutisii var. ehrenbergianus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mutisii var. fuscisquamatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mutisii var. martinicensis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mutisii var. mutisii | Synonym |  | TRO |  | 
	
		| Cyperus mutisii var. plenus Andersson | Synonym |  | WCSP |  | 
	
		| Cyperus mutisii var. semitribrachiatus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus mwinilungensis Podlech | Accepted |  | WCSP |  | 
	
		| Cyperus mwinilungensis var. mwinilungensis | Synonym |  | WCSP |  | 
	
		| Cyperus myriostachyus Ten. | Synonym |  | WCSP |  | 
	
		| Cyperus myrmecias Ridl. | Accepted |  | WCSP |  | 
	
		| Cyperus mysurensis B.Heyne ex Wall. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus myyenii Nees & Arn. | Synonym |  | WCSP |  | 
	
		| Cyperus naguensis Britton | Synonym |  | WCSP |  | 
	
		| Cyperus nanellus Tang & F.T.Wang | Accepted |  | WCSP |  | 
	
		| Cyperus nangtciangensis Pamp. | Synonym |  | WCSP |  | 
	
		| Cyperus nanilensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus nanus Willd. | Accepted |  | WCSP |  | 
	
		| Cyperus nanus var. liebmannii (Steud.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus nanus var. nanus | Synonym |  | WCSP |  | 
	
		| Cyperus nanus var. rigidulus Ekman & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus nanus var. subtenuis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus nashii Britton | Synonym |  | WCSP |  | 
	
		| Cyperus natalensis Hochst. ex C.Krauss | Accepted |  | WCSP |  | 
	
		| Cyperus natans Buch.-Ham. ex C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus naumannianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus navicularis Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus nayaritensis G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus nduru Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus neesii D.Dietr. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus neesii Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus neglectus Parl. | Synonym |  | WCSP |  | 
	
		| Cyperus nemacaulos Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus nematodes Schrad. ex Nees [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus nemoralis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus nemoralis var. onivensis (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus nemorosus G.Mey. | Synonym |  | WCSP |  | 
	
		| Cyperus neobarteri T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus neoguinensis Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus neokunthianus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus neoschimperi Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus neoschimperi var. subvirescens A.Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus neoschimperi var. viridis (Hochst. ex Schweinf.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus neotropicalis Alain | Synonym |  | WCSP |  | 
	
		| Cyperus neourbanii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus nervosostriatus Turrill | Accepted |  | WCSP |  | 
	
		| Cyperus nervosus Bertol. | Synonym |  | WCSP |  | 
	
		| Cyperus nervulosus (Kük.) S.T.Blake | Synonym |  | WCSP |  | 
	
		| Cyperus neurotropis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus niederleinianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus nieuwlandii Geise | Synonym |  | WCSP |  | 
	
		| Cyperus niger Ruiz & Pav. | Synonym |  | WCSP |  | 
	
		| Cyperus niger var. capitatus (Britton) O'Neill | Synonym |  | WCSP |  | 
	
		| Cyperus niger var. castaneus (Torr.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus niger subsp. elegantulus (Steud.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus niger var. intricatoramosus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus niger var. niger | Unresolved |  | TRO |  | 
	
		| Cyperus niger var. pseudoelegantulus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus niger var. rivularis (Kunth) V.E.Grant | Synonym |  | WCSP |  | 
	
		| Cyperus niger var. robustus (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus nigricans Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus nigricans var. firmior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus nigricans var. simulans (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus nigripes (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus nigripes var. grandiceps Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus nigrofuscus T.L.Dai | Accepted |  | WCSP |  | 
	
		| Cyperus nigroviridis Thwaites | Synonym |  | WCSP |  | 
	
		| Cyperus niigatensis Ohwi | Accepted |  | WCSP |  | 
	
		| Cyperus nilagiricus Hochst. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus nilagiricus var. pauperior Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus niloticus Forssk. | Synonym |  | WCSP |  | 
	
		| Cyperus nipponicus Franch. & Sav. | Accepted |  | WCSP |  | 
	
		| Cyperus nipponicus f. hilgendorfianus (Boeckeler) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus nitens Retz. | Synonym |  | WCSP |  | 
	
		| Cyperus nitens Vahl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus nitens var. patens (Vahl) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus nitidulus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus nitidus Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus niveoides C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus niveus Retz. | Accepted |  | WCSP |  | 
	
		| Cyperus niveus var. flavissimus (Schrad.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus niveus var. ledermannii (Kük.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus niveus var. leucocephalus (Kunth) Fosberg | Accepted |  | WCSP |  | 
	
		| Cyperus niveus var. niveus | Synonym |  | WCSP |  | 
	
		| Cyperus niveus var. polyphyllus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus niveus var. tisserantii (Cherm.) Lye | Accepted |  | WCSP |  | 
	
		| Cyperus nocha Phil. | Synonym |  | WCSP |  | 
	
		| Cyperus nodosus Humb. & Bonpl. ex Willd. | Synonym |  | WCSP |  | 
	
		| Cyperus nodosus var. aphyllus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus nodosus var. subnodosus (Nees & Meyen) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus nodulosus F.Muell. ex Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus noeanus Boiss. | Accepted |  | WCSP |  | 
	
		| Cyperus noronhae Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus nortonii A.Heller | Synonym |  | WCSP |  | 
	
		| Cyperus nossibeensis K. Schum. | Synonym |  | TRO |  | 
	
		| Cyperus novae-hannoverae Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus novae-hollandiae Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus nubianus Gand. | Synonym |  | WCSP |  | 
	
		| Cyperus nubicus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus nubigenus Britton & Standl. | Synonym |  | WCSP |  | 
	
		| Cyperus nudicaulis Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus nudiceps (C.B.Clarke ex Standl.) O'Neill | Synonym |  | WCSP |  | 
	
		| Cyperus nudiculmis Sieber ex C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus nudiusculus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus nudus Roxb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus nudus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus nudus var. firmior J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus nudus var. flaccidior J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus nuerensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus nutans Sieber ex C.Presl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus nutans Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus nutans subsp. eleusinoides (Kunth) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus nutans var. eleusinoides (Kunth) Haines | Accepted |  | WCSP |  | 
	
		| Cyperus nutans var. nutans | Synonym |  | WCSP |  | 
	
		| Cyperus nutans subsp. subprolixus (Kük.) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus nutans var. subprolixus (Kük.) Karth. | Accepted |  | WCSP |  | 
	
		| Cyperus nuttallii Eddy ex Spreng. | Synonym |  | WCSP |  | 
	
		| Cyperus nuttallii var. minimus Alph.Wood | Synonym |  | WCSP |  | 
	
		| Cyperus nyassensis (Podlech) Lye | Accepted |  | WCSP |  | 
	
		| Cyperus nyassicus Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus nyererei Lye | Accepted |  | WCSP |  | 
	
		| Cyperus oakfortensis Boeckeler ex C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus oatesii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus obbiadensis Chiov. | Accepted |  | WCSP |  | 
	
		| Cyperus obesus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus obliquus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus oblongoincrassatus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus oblongoincrassatus var. clarior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus oblongoincrassatus var. groteanus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus oblongoincrassatus var. udigensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus oblongus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus oblongus subsp. flavus (C.B.Clarke) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus oblongus subsp. jubensis (Mtot.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus oblongus subsp. nervosus (Steud.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus oblongus var. ruwenzoriensis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obscurus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus obsoletenervosus Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obstinatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusatus (J.Presl & C.Presl) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusatus var. africanus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusatus var. cylindrostachyus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusatus var. tenuis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusiflorus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus obtusiflorus var. flavissimus (Schrad.) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus obtusiflorus var. ledermannii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusiflorus var. membranaceus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusiflorus var. niveoides (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusiflorus var. peramoenus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusiflorus var. rigidus (Vahl) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusiflorus var. sphaerocephalus (Vahl) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusiusculus Gand. | Synonym |  | WCSP |  | 
	
		| Cyperus obtusus Willemet | Accepted |  | WCSP |  | 
	
		| Cyperus occidentalis Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus ochraceus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus ochraceus var. excelsior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ochraceus var. minor Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ochreatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ochreoides Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus ochrocarpus K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus ochrocephalus C.B.Clarke [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus ochrocephalus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus ochroleucus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus octophyllus Hochst. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus odoratus Burm.f. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus odoratus L. | Accepted |  | WCSP |  | 
	
		| Cyperus odoratus var. acicularis (Schrad. ex Nees) O'Neill | Synonym |  | WCSP |  | 
	
		| Cyperus odoratus var. attenuatus Fosberg & Sachet | Synonym |  | WCSP |  | 
	
		| Cyperus odoratus var. curtispiculus Fosberg & Sachet | Synonym |  | WCSP |  | 
	
		| Cyperus odoratus var. engelmannii (Steud.) R.Carter, S.D.Jones & Wipff | Synonym |  | WCSP |  | 
	
		| Cyperus odoratus var. novae-hannoverae (Boeckeler) Fosberg & Sachet | Synonym |  | WCSP |  | 
	
		| Cyperus odoratus subsp. odoratus | Synonym |  | WCSP |  | 
	
		| Cyperus odoratus var. squarrosus (Britton) S.D.Jones, Wipff & R.Carter | Synonym |  | WCSP |  | 
	
		| Cyperus odoratus subsp. transcaucasicus (Kük.) Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus oerstedii Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus officinalis Nees ex Godr. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus officinalis T.Nees | Synonym |  | WCSP |  | 
	
		| Cyperus × ogawai T.Koyama [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus ohwii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus oleraceus Roxb. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus olfersianus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus olfersianus var. elatior Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus olfersianus var. maximiliani (Nees) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus olidus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus oliganthus Gand. | Synonym |  | WCSP |  | 
	
		| Cyperus oligostachyus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus olivaceus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus olivaris O.Targ.Tozz. | Synonym |  | WCSP |  | 
	
		| Cyperus olivaris var. brevibracteatus Le Grand | Synonym |  | WCSP |  | 
	
		| Cyperus olivetorum Murb. | Synonym |  | WCSP |  | 
	
		| Cyperus onerosus M.C.Johnst. | Accepted |  | WCSP |  | 
	
		| Cyperus onivensis Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus onustus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus oostachyus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus orbicephalus (Beetle) T.Koyama & McVaugh | Synonym |  | WCSP |  | 
	
		| Cyperus orgadophilus K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus ornans J.V.Suringar | Synonym |  | WCSP |  | 
	
		| Cyperus ornans var. rechingeri (Palla) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ornans var. stenophyllus (J.V.Suringar) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ornatissimus F.Muell. | Synonym |  | WCSP |  | 
	
		| Cyperus ornatus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus ornithopodioides Delile [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus ornithopus Pers. | Synonym |  | WCSP |  | 
	
		| Cyperus orthostachyus Franch. & Sav. | Accepted |  | WCSP |  | 
	
		| Cyperus orthostachyus var. dahuricus H.Hara | Synonym |  | WCSP |  | 
	
		| Cyperus orthostachyus var. orthostachyus | Synonym |  | WCSP |  | 
	
		| Cyperus orthostachyus var. robustus (Nakai) H.Hara | Synonym |  | WCSP |  | 
	
		| Cyperus oryzeticola Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus oryzetorum Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus ossicaulis Lye | Accepted |  | WCSP |  | 
	
		| Cyperus ostenii Kük. ex Osten [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus ottonis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ottonis var. humilior Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ovatus Baldwin | Accepted |  | WCSP |  | 
	
		| Cyperus ovatus (Roth) Missbach & E.H.L.Krause [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus ovatus Llanos [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus overlaetii (Cherm. ex S.S.Hooper & J.Raynal) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus ovularis (Michx.) Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus ovularis var. cylindricus (Elliott) Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus ovularis var. robustus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ovularis var. sphaericus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus ovularis var. tenellus Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus ovularis var. wolfii (Alph.Wood) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus owahuensis Nees | Synonym |  | WCSP |  | 
	
		| Cyperus owanii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus owanii var. rogersii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus oxilepis Nees | Unresolved |  | TRO |  | 
	
		| Cyperus oxycarioides Britton | Synonym |  | WCSP |  | 
	
		| Cyperus oxycarpus S.T.Blake | Accepted |  | WCSP |  | 
	
		| Cyperus oxylepis Nees ex Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus oxylepis var. punensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus oxystachys Nees ex Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pachycephalus J.Kern | Accepted |  | WCSP |  | 
	
		| Cyperus pachyrhizus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus pachystylus (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pacificus (Ohwi) Ohwi | Accepted |  | WCSP |  | 
	
		| Cyperus pagotii (J.Raynal) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus palianparaiensis Govind. | Accepted |  | WCSP |  | 
	
		| Cyperus pallens (Liebm.) Standl. & Steyerm. | Synonym |  | WCSP |  | 
	
		| Cyperus pallescens Desf. | Synonym |  | WCSP |  | 
	
		| Cyperus pallescens Poir. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pallescens Boiss. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pallidicolor (Kük.) G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus pallidus Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pallidus Savi [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pallidus Link [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus pallidus Kit. ex Kanitz [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus paluster Missbach & E.H.L.Krause | Synonym |  | WCSP |  | 
	
		| Cyperus paluster var. uniglumoides E.H.L.Krause | Synonym |  | WCSP |  | 
	
		| Cyperus palustris (Schrad.) Kük. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus palustris (L.) Sessé & Moc. | Synonym |  | WCSP |  | 
	
		| Cyperus panamensis (C.B.Clarke) Britton ex Standl. | Accepted |  | WCSP |  | 
	
		| Cyperus panamensis var. deformis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus panamensis var. ramigerus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pandanophyllum C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus pangorei Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus pangorei var. ambiguus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus pangorei var. ambiguus (C.B. Clarke) Karth. | Accepted |  | TRO |  | 
	
		| Cyperus paniceus (Rottb.) Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus paniceus Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus paniceus var. queenslandicus (Domin) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus paniceus var. roxburghianus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus paniciformis Franch. & Sav. | Synonym |  | WCSP |  | 
	
		| Cyperus panicoides Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus paniculatus Rottb. | Synonym |  | WCSP |  | 
	
		| Cyperus paniculatus Hook. & Arn. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus paniculatus D.Don [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus paniculatus Blanco [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pannonicus Jacq. | Accepted |  | WCSP |  | 
	
		| Cyperus panormitanus Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus paolii Chiov. | Accepted |  | WCSP |  | 
	
		| Cyperus paposanus Phil. | Synonym |  | WCSP |  | 
	
		| Cyperus pappii Gand. | Synonym |  | WCSP |  | 
	
		| Cyperus papuanus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus papyraceus Crantz | Synonym |  | WCSP |  | 
	
		| Cyperus papyroides Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus L. | Accepted |  | WCSP |  | 
	
		| Cyperus papyrus subsp. antiquorum (Willd.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus var. antiquorum (Willd.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus subsp. antiquorum (Willd.) Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus subsp. hadidii Chrtek & Slavíková | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus subsp. madagascariensis (Willd.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus papyrus subsp. niliacus Tournay | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus var. niliacus Tournay | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus subsp. nyassicus (Chiov.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus papyrus var. palaestinae (Chiov.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus subsp. papyrus | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus subsp. siculus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus subsp. siculus (Parl.) Chiov. | Synonym |  | TRO |  | 
	
		| Cyperus papyrus subsp. ugandensis (Chiov.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus papyrus subsp. zairensis (Chiov.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus paradoxus Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus paraensis Mart. & Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus paraguayensis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus paramatta Balb. ex Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus paramatta Mart. | Synonym |  | WCSP |  | 
	
		| Cyperus paramattensis Link [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus parciflorus Link | Synonym |  | WCSP |  | 
	
		| Cyperus parishii Britton | Accepted |  | WCSP |  | 
	
		| Cyperus parlatoris Lojac. | Synonym |  | WCSP |  | 
	
		| Cyperus parlatoris var. difformis Lojac. | Synonym |  | WCSP |  | 
	
		| Cyperus parryi Britton ex C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus parviflorus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus parviflorus Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus parviflorus Muhl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus parvinux C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus parvispiculatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus parvulus (Roem. & Schult.) Missbach & E.H.L.Krause [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus parvulus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus parvus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus parvus Hassk. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus patens Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus patuliflorus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus patulus Willd. ex Link [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus patulus Kit. ex Host | Synonym |  | WCSP |  | 
	
		| Cyperus patulus M.Bieb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus paucidentata Zinserl. | Unresolved |  | TRO |  | 
	
		| Cyperus pauciflora Link | Unresolved |  | TRO |  | 
	
		| Cyperus pauciflorus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus pauciflorus (Lightf.) Missbach & E.H.L.Krause [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus paucispiculatus Cherm. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus paucispiculatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pauloensis Palla | Synonym |  | WCSP |  | 
	
		| Cyperus pauper Phil. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pauper Hochst. ex A.Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus pearcei C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus pectinatus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus pectinatus Roxb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pectiniformis Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus pedatus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus pedunculatus (R.Br.) J.Kern | Synonym |  | WCSP |  | 
	
		| Cyperus pedunculosus F.Muell. | Accepted |  | WCSP |  | 
	
		| Cyperus pedunculosus var. floribundus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pedunculosus var. longibracteatus Domin | Synonym |  | WCSP |  | 
	
		| Cyperus pellucida C. Presl | Unresolved |  | TRO |  | 
	
		| Cyperus pelophilus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus pelophilus f. nanus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pendulus Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus penicillatus Conz. | Accepted |  | WCSP |  | 
	
		| Cyperus pennatiformis Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus pennatiformis var. bryanii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus pennatiformis var. pennatiformis | Synonym |  | WCSP |  | 
	
		| Cyperus pennatus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pennatus Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus pennatus var. armstrongii (Benth.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pennellii O'Neill & Ben.Ayers | Accepted |  | WCSP |  | 
	
		| Cyperus pentabracteatus Govind. & Hemadri | Accepted |  | WCSP |  | 
	
		| Cyperus pentabracteus Govind. & Hemadri | Unresolved |  | TRO |  | 
	
		| Cyperus pentadactylus Willd. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus penzoanus Pic.Serm. | Accepted |  | WCSP |  | 
	
		| Cyperus perangustus S.T.Blake | Accepted |  | WCSP |  | 
	
		| Cyperus perennis (M.E.Jones) O'Neill | Accepted |  | WCSP |  | 
	
		| Cyperus pergracilis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus permacer C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus permutatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pernambucensis Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus perpusillus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus perrieri (Cherm.) Hoenselaar | Accepted |  | WCSP |  | 
	
		| Cyperus persicus Boiss. & Hohen. | Synonym |  | WCSP |  | 
	
		| Cyperus persquarrosus T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus pertenuis Roxb. | Synonym |  | WCSP |  | 
	
		| Cyperus pertenuis Bojer | Synonym |  | TRO |  | 
	
		| Cyperus perusillus Boeck. | Unresolved |  | TRO |  | 
	
		| Cyperus peruvianus (Lam.) F.N.Williams | Synonym |  | WCSP |  | 
	
		| Cyperus peruvianus var. foliatus (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pervillei Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pes-avium Bertol. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus petasata Zinserl. | Unresolved |  | TRO |  | 
	
		| Cyperus peteri Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus petersianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus petherickii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus petraeus Hochst. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus phaeocephalus Griseb. | Synonym |  | WCSP |  | 
	
		| Cyperus phaeocephalus var. major Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus phaeolepis Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus phaeolepis var. albiflorus (Cherm.) Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus phaeolepis var. albiflorus (Cherm.) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus phaeorhizus K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus phaeorhizus var. princeae (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus phgmaeus Rottb. | Unresolved |  | TRO |  | 
	
		| Cyperus philippensis J.Presl & C.Presl [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus phillipsiae (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus phleoides (Nees ex Kunth) H.Mann | Accepted |  | WCSP |  | 
	
		| Cyperus phleoides Seem. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus phleoides (Nees) Hillebr. | Unresolved |  | TRO |  | 
	
		| Cyperus phleoides var. hawaiiensis (H.Mann) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus phleoides subsp. hawaiiensis (H. Mann) T. Koyama | Synonym |  | TRO |  | 
	
		| Cyperus phleoides var. kauaiensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus phleoides var. phleoides | Accepted |  | WCSP |  | 
	
		| Cyperus phymatodes Muhl. | Synonym |  | WCSP |  | 
	
		| Cyperus phymatodes var. heermannii (Buckley) S.Watson | Synonym |  | WCSP |  | 
	
		| Cyperus picardae Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus picardae Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus picardae var. brevinux Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus piceus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus piceus f. densior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus piceus f. potosiensis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus piceus f. squalidus (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pictus Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pictus Ten. | Synonym |  | WCSP |  | 
	
		| Cyperus pilosulus (C.B.Clarke) K.Schum. ex Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus pilosus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus pilosus var. babakensis (Steud. ex Miq.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus f. badius Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus var. contractus (Miq.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus var. fimbriatus (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus var. laevirhachis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus var. muticus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus var. obliquus (Nees) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus f. pallidus Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus var. pauciflorus L.K.Dai | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus var. pilosus | Synonym |  | TRO |  | 
	
		| Cyperus pilosus var. polyanthus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus var. pseudobabakensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pilosus var. purpurascens L.K.Dai | Synonym |  | WCSP |  | 
	
		| Cyperus pinetorum Britton | Accepted |  | WCSP |  | 
	
		| Cyperus pinguis (C.B.Clarke) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pinnatus A.Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus piptolepis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus piptolepis var. contractus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus piptolepis var. pyrophytus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus pittieri Boeckeler ex Kneuck. | Synonym |  | WCSP |  | 
	
		| Cyperus pittieri Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus planiculmis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus planifolius Rich. | Accepted |  | WCSP |  | 
	
		| Cyperus planifolius var. brunneus (Sw.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus planifolius f. decolorans Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus planifolius f. gracilis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus planifolius f. humilior (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus planifolius var. navassanus Kük. & Ekman | Synonym |  | WCSP |  | 
	
		| Cyperus planifolius var. ottonis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus planifolius var. pickelii Gross ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus plankii Britton ex Small | Synonym |  | WCSP |  | 
	
		| Cyperus plantaginifolius Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus plantaginifolius var. minor Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus plateilema (Steud.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus platycaulis Baker | Accepted |  | WCSP |  | 
	
		| Cyperus platycaulis var. kipasensis (Cherm.) Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus platycaulis var. lucentinigricans (K.Schum.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus platycaulis var. recedens Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus platyculmis R.Br. | Synonym |  | WCSP |  | 
	
		| Cyperus platyphyllos Ridl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus platyphyllus Roem. & Schult. | Accepted |  | WCSP |  | 
	
		| Cyperus platystachys Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus platystachyus Griseb. | Synonym |  | WCSP |  | 
	
		| Cyperus platystylis R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus pleuranthus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus plukenetii Fernald | Accepted |  | WCSP |  | 
	
		| Cyperus plumbeonucea Govind. | Synonym |  | WCSP |  | 
	
		| Cyperus pluribracteatus (Kük.) Govaerts | Accepted |  | WCSP |  | 
	
		| Cyperus pluricephalus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus plurinervosus Bodard | Accepted |  | WCSP |  | 
	
		| Cyperus plurinodosa Govind. | Synonym |  | WCSP |  | 
	
		| Cyperus podocarpus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus poecilus C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus poecilus var. evolutus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus poeoides Desv. ex Ham. | Synonym |  | WCSP |  | 
	
		| Cyperus poeppigii Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus pohlianus (Nees) Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus pohlii (Nees) Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus pohlii subsp. bahiensis (D.A.Simpson) D.A.Simpson | Accepted |  | WCSP |  | 
	
		| Cyperus pohlii var. mendoncae (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pohlii var. obscuricoloratus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pohlii subsp. pohlii | Synonym |  | WCSP |  | 
	
		| Cyperus pohlii var. warmingii (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus poiformis Pursh | Synonym |  | WCSP |  | 
	
		| Cyperus poiretii Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus politus Welw. ex Ridl. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus pollardii Britton ex Small | Synonym |  | WCSP |  | 
	
		| Cyperus polyanthelus Govind. | Accepted |  | WCSP |  | 
	
		| Cyperus polycephalus Link [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus polycephalus Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus polyphyllus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus polyphyllus Larrañaga [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus polystachyos Rottb. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. baronii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. caespitosus (Poir.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. chlorostachys (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. circinatus (Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. cleaveri (Torr.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. fascicularis (Poir.) Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. ferrugineus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. filicinus (Vahl) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. filicinus (Vahl) O'Neill | Synonym |  | TRO |  | 
	
		| Cyperus polystachyos f. fugax (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. glaucescens Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. hahnianus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. holosericeus (Link) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos subsp. holosericeus (Link) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. hookerianus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos f. inconspicuus (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos subsp. laxiflorus (Benth.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. laxiflorus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. leptostachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. longispiculatus Suringar | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. macrostachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. major Jungh. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. micans (Kunth) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos f. minor Cherm. ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. miser Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. pallidus Hillebr. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. paniculatus (Rottb.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos f. pernanus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. sanguineus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. texensis (Torr.) Fernald | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyos var. thouarsii (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyus Jungh. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus polystachyus var. hookeriana (Arnott ex Wight) C.B. Clarke in Baker | Unresolved |  | TRO |  | 
	
		| Cyperus polystachyus var. thouarsii (Kunth) C.B. Clarke | Synonym |  | TRO |  | 
	
		| Cyperus portae-tartari K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus potundus L. | Unresolved |  | TRO |  | 
	
		| Cyperus praealtus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus praelongatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus praemorsus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus prasinus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus pratensis Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus pratorum Korotky | Synonym |  | WCSP |  | 
	
		| Cyperus prescottianus Hook. & Arn. | Synonym |  | WCSP |  | 
	
		| Cyperus preslii A.Dietr. | Synonym |  | WCSP |  | 
	
		| Cyperus preslii Parl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus preslii subsp. intermedius (Guss.) Nyman | Synonym |  | WCSP |  | 
	
		| Cyperus prieurianus (Steud.) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus princeae C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus princeps Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus pringlei Britton | Synonym |  | WCSP |  | 
	
		| Cyperus prionensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus prionodes Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus prionotropis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus procerulus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus procerus Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus procerus var. griffithianus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus procerus var. lasiorrhachis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus procerus var. stenanthus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus procerus var. straminicolor (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus procerus var. trachycladus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus procerus var. vanderystii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus productus C.Wright | Synonym |  | WCSP |  | 
	
		| Cyperus prolifer Lam. | Accepted |  | WCSP |  | 
	
		| Cyperus prolifer var. isocladus (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus prolixus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus prolixus var. vialis (Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus propinguus Schrad. | Unresolved |  | TRO |  | 
	
		| Cyperus proteinolepis Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus proteinolepis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus proteinolepis var. pumilus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus protractus Delile | Synonym |  | WCSP |  | 
	
		| Cyperus protractus Link [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus proximus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus psammophilus Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus psammophilus var. gracillimus Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus pseuderemicus Kukkonen & Väre | Accepted |  | WCSP |  | 
	
		| Cyperus pseudobromoides Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pseudobrunneus (C.B.Clarke ex Cherm.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus pseudobrunneus var. continentalis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudobrunneus var. hilsenbergii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudobrunneus var. pseudobojeri Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudocallistus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudodiaphanus (S.S.Hooper) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus pseudodistans Uittien | Accepted |  | WCSP |  | 
	
		| Cyperus pseudogiganteus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudohaspan Makino | Synonym |  | WCSP |  | 
	
		| Cyperus pseudohildebrandtii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudokyllingioides Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudokyllingioides var. africanus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudoleptocladus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudoleptocladus var. polycarpus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudoniveus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pseudopetiolatus G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus pseudopilosus (C.B.Clarke) Govaerts | Accepted |  | WCSP |  | 
	
		| Cyperus pseudosomaliensis Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus pseudosphacelatus Chiov. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pseudosphacelatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pseudostrigosus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudosurinamensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pseudothyrsiflorus (Kük.) R.Carter & S.D.Jones | Accepted |  | WCSP |  | 
	
		| Cyperus pseudovariegatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pseudovegetus Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus pseudovegetus var. arenicola (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudovegetus var. megalanthus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudovestitus (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus pseudovestitus f. angustifolius (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudovestitus var. astrocephalus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudovestitus var. perrieri (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pseudovestitus var. polycarpus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus psilostachys (C.B.Clarke) Kük. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus psilostachys Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus psilostachys f. glabrescens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus psilostachys var. pluribracteatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus psilostachys var. subrufus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pterygorrachis H.Lév. | Synonym |  | WCSP |  | 
	
		| Cyperus pubens Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus pubescens J.Presl & C.Presl [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus pubescens Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pubifolius Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus pubisquama Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus pugioniformis A.Dietr. | Synonym |  | WCSP |  | 
	
		| Cyperus pulchellus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus pulcher Thunb. | Accepted |  | WCSP |  | 
	
		| Cyperus pulcher D.Don [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pulcher var. prasinus (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pulcherrimus Willd. ex Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus pulcherrimus var. rectiglumis Suringar | Synonym |  | WCSP |  | 
	
		| Cyperus pulguerensis M.T.Strong | Accepted |  | WCSP |  | 
	
		| Cyperus pulicaris Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus pulicaris var. explicatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pulvinatus Nees & Meyen | Synonym |  | WCSP |  | 
	
		| Cyperus pumilio Nees [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus pumilio Steud. | Synonym |  | TRO |  | 
	
		| Cyperus pumilus L. | Synonym |  | WCSP |  | 
	
		| Cyperus pumilus Rottb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pumilus f. gracilis (E.G.Camus) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pumilus var. leucolepis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pumilus var. membranaceus (Vahl) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus pumilus var. nervulosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pumilus var. patens (Vahl) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pumilus var. prorepens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pumilus var. punctatus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus punctatifolius Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus punctatus Roxb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus punctatus Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus puncticulatus Aitch. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus puncticulatus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus puncticulatus var. quinquagintiflorus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus punctorius Schrad. ex Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus pungens Boeckeler ex Aitch. & Hemsl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pungens Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pungens Kunth [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus pungens (Vahl) Missbach & E.H.L.Krause [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pungens var. elatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pungens var. multiceps Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pungens var. multiculmis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pungens var. tenuis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus purpurascens Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus purpureo-glandulosus Mattf. & Kuek. | Unresolved |  | TRO |  | 
	
		| Cyperus purpureoglandulosus Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus purpureovaginatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus purpureovariegatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus purpureoviridis Lye | Accepted |  | WCSP |  | 
	
		| Cyperus purpureus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus purpurrhizus Boeckeler | Unresolved |  | TRO |  | 
	
		| Cyperus purshii Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus pusillus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus pustulatus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus pustulatus var. debilis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pustulatus var. djalonis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pustulatus var. tschinsendensis (Turrill) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus pycnocephalus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus pycnostachyus (Kunth) Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus pygmaeus Nutt. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pygmaeus Lam. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pygmaeus Rottb. | Synonym |  | WCSP |  | 
	
		| Cyperus pygmaeus Cav. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pygmaeus Retz. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus pygmaeus var. aztecorum C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus pygmaeus var. michelianus (L.) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus pyrophilus Reinw. ex de Vriese | Synonym |  | WCSP |  | 
	
		| Cyperus quadriflorus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus quinqueflora O. Schwarz | Unresolved |  | TRO |  | 
	
		| Cyperus quinqueflorus Hochst. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus quinquespicatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus quinquespicatus Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus quitensis Spreng. | Synonym |  | WCSP |  | 
	
		| Cyperus racemosus B.Heyne ex Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus racemosus Ten. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus racemosus Retz. | Synonym |  | WCSP |  | 
	
		| Cyperus racemosus Poir. | Synonym |  | TRO |  | 
	
		| Cyperus racemosus var. khasianus (C.B.Clarke) M.R.Almeida | Synonym |  | WCSP |  | 
	
		| Cyperus radians Nees & Meyen ex Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus radians var. compositus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus radians var. floribundus (E.G.Camus) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus radians var. griffithii (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus radiatus Vahl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus radiatus var. capitatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus radiatus var. elongatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus radiatus var. minor Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus radicans (Schkuhr) Missbach & E.H.L.Krause | Synonym |  | WCSP |  | 
	
		| Cyperus radicosus Sm. | Synonym |  | WCSP |  | 
	
		| Cyperus raiateensis J.W.Moore | Synonym |  | WCSP |  | 
	
		| Cyperus ramosi Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ramosus (Benth.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus rancoanus Phil. | Synonym |  | WCSP |  | 
	
		| Cyperus randuzii Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus randuzii var. tenuis Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus ranko Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus rapensis F.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus raphiostachys Link | Synonym |  | WCSP |  | 
	
		| Cyperus rarissimus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus rectangularis (Kük.) Bennet | Synonym |  | WCSP |  | 
	
		| Cyperus recurvatus Willd. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus recurvispicatus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus recurvus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus redolens Maury ex Micheli | Accepted |  | WCSP |  | 
	
		| Cyperus reduncus Hochst. ex Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus reflexus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus reflexus f. anterna C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus reflexus f. capitatus Osten | Synonym |  | WCSP |  | 
	
		| Cyperus reflexus f. evolutus Osten | Synonym |  | WCSP |  | 
	
		| Cyperus reflexus var. fraternus (Kunth) Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus reflexus var. intricatus (Schrad. ex Schult.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus reflexus var. macrostachys Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus reflexus var. macrostachys Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus reflexus f. major Maury | Synonym |  | WCSP |  | 
	
		| Cyperus reflexus var. reflexus | Synonym |  | TRO |  | 
	
		| Cyperus refractus Engelm. ex Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus refractus var. antillanus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus refractus f. grandis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus refractus var. lancastriensis (Porter) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus regiomontanus Britton | Accepted |  | WCSP |  | 
	
		| Cyperus regiomontanus var. pallens (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus regiomontanus var. pittieri (Boeckeler ex Kneuck.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rehmannianus (C.B.Clarke) Boeckeler ex Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus rehmannianus var. bathiei (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rehmannianus f. minor Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rehmannianus var. rigidiculmis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rehmannii Boiss. | Synonym |  | WCSP |  | 
	
		| Cyperus rehmii Merxm. | Accepted |  | WCSP |  | 
	
		| Cyperus reineckei Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus remotiflorus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus remotiflorus var. schweickerdtii Merxm. | Synonym |  | WCSP |  | 
	
		| Cyperus remotispicatus S.S.Hooper | Accepted |  | WCSP |  | 
	
		| Cyperus remotus (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus renschii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus renschii var. scabridus Lye | Synonym |  | WCSP |  | 
	
		| Cyperus repens Elliott | Synonym |  | WCSP |  | 
	
		| Cyperus reptans Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus resinosus Hochst. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus reticulatus Schimper | Unresolved |  | TRO |  | 
	
		| Cyperus retroflexus Buckley | Accepted |  | WCSP |  | 
	
		| Cyperus retroflexus var. pumilus (Britton) R.Carter & S.D.Jones | Accepted |  | WCSP |  | 
	
		| Cyperus retroflexus var. retroflexus | Synonym |  | WCSP |  | 
	
		| Cyperus retrofractus (L.) Torr. | Accepted |  | WCSP |  | 
	
		| Cyperus retrofractus Engelm. ex Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus retrofractus var. dipsaciformis (Fernald) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus retrofractus var. hystricinus (Fernald) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus retrofractus var. retrofractus | Synonym |  | TRO |  | 
	
		| Cyperus retrorsus Chapm. | Accepted |  | WCSP |  | 
	
		| Cyperus retrorsus var. australis (Lindm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus retrorsus var. curtisii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus retrorsus var. cylindricus (Elliott) Fernald & Griscom | Synonym |  | WCSP |  | 
	
		| Cyperus retrorsus var. deeringianus (Britton & Small) Fernald & Griscom | Synonym |  | WCSP |  | 
	
		| Cyperus retrorsus var. multiflorens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus retrorsus var. nashii (Britton) Fernald & Griscom | Synonym |  | WCSP |  | 
	
		| Cyperus retrorsus var. retrorsus | Synonym |  | TRO |  | 
	
		| Cyperus retrorsus var. robustus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus retroversus Chapm. [Spelling variant] | Synonym |  | WCSP |  | 
	
		| Cyperus retusus Nees ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus retusus A.Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus retzii Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus retzii Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus rhaphiostachys Humb. & Bonpl. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus rheedei F.Muell. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus rhenanus Schrad. ex Kunth [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus rheophyticus Lye | Accepted |  | WCSP |  | 
	
		| Cyperus rhigiophyllus Hochst. ex C.Krauss [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus rhizomafragilis (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus rhizomatosus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rhynchosporoides Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus richardii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus richardii var. angustior (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus richardii var. oliganthus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ridleyi Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus riedelianus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus rigens J.Presl & C.Presl | Accepted |  | WCSP |  | 
	
		| Cyperus rigens subsp. arechavaletae (Boeckeler) Pedersen | Synonym |  | WCSP |  | 
	
		| Cyperus rigens var. capitatus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus rigens subsp. cephalanthus (Torr. & Hook.) Pedersen | Synonym |  | WCSP |  | 
	
		| Cyperus rigens var. impolitus (Kunth) Hefler & Longhi-Wagner | Synonym |  | WCSP |  | 
	
		| Cyperus rigens var. latifolius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rigens var. maximus (Kük.) Pedersen | Synonym |  | WCSP |  | 
	
		| Cyperus rigens subsp. rigens | Synonym |  | WCSP |  | 
	
		| Cyperus rigens var. rigens | Synonym |  | TRO |  | 
	
		| Cyperus rigens var. rufidulus (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rigens subsp. serrae (Boeckeler) Pedersen | Accepted |  | WCSP |  | 
	
		| Cyperus rigens var. tarijensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rigens var. umbellatus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus rigens var. weberbaueri Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rigidellus (Benth.) J.M.Black | Accepted |  | WCSP |  | 
	
		| Cyperus rigidifolius Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus rigidifolius var. intercedens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rigidulus Vahl [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus rigidulus Ridl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus rigidus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus rionensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus riparius Salisb. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus riparius Schrad. ex Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis var. acutatus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis f. acutatus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis var. depauperatus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis f. depauperatus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis var. elongatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis var. elutus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis f. elutus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis subsp. lagunetto (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis var. lagunetto (Steud.) O'Neill | Synonym |  | WCSP |  | 
	
		| Cyperus rivularis f. subacaulis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus robinsonii Podlech | Accepted |  | WCSP |  | 
	
		| Cyperus robustior Gand. | Synonym |  | WCSP |  | 
	
		| Cyperus robustus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus rockii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus roestelii Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus rohlfsii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus rothianus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundifolius L. | Unresolved |  | TRO |  | 
	
		| Cyperus rotundus L. | Accepted |  | WCSP |  | 
	
		| Cyperus rotundus var. acutus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. amaliae C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus subsp. brevibracteatus (Le Grand) M.Laínz | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. brevibracteatus (Le Grand) Husn. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. carinalis Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. carinatus F.M.Bailey [Spelling variant] | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. centiflorus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. comosus (Sm.) Nyman | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus f. comosus (Sm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus subsp. comosus (Sm.) K.Richt. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus f. contractus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus f. depallescens Ekman & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. disruptus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus subsp. divaricatus Lye | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. elongatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. fenzelianus (Steud.) El-Hadidy | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. hydra (Michx.) A.Gray | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus f. inconspicuus (Nyman) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. inconspicuus Nyman | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus subsp. inconspicuus (Nyman) K.Richt. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus f. latifolius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus f. latimarginatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. macrostachyus Boiss. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. major Parl. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus subsp. merkeri (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. nubicus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. pallidus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. pendulus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. platystachys Bojer ex C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. procerula C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. pseudotuberosus Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. quimoyensis L.K.Dai | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus subsp. retzii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. rotundus | Synonym |  | TRO |  | 
	
		| Cyperus rotundus subsp. rotundus | Synonym |  | TRO |  | 
	
		| Cyperus rotundus var. salsolus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. spadiceus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. subcapitatus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. taylorii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus var. tetrastachyos (Desf.) Trab. | Synonym |  | WCSP |  | 
	
		| Cyperus rotundus subsp. tuberosus (Rottb.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus roxburghianus C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus roxburghii A.Dietr. | Synonym |  | WCSP |  | 
	
		| Cyperus roxburghii Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus roylei Arn. | Synonym |  | WCSP |  | 
	
		| Cyperus ruberosus Rottb. | Unresolved |  | TRO |  | 
	
		| Cyperus rubicundus Willd. ex Link [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus rubicundus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus rubiginosus Hook.f. | Synonym |  | WCSP |  | 
	
		| Cyperus rubiginosus var. cornutus (Andersson) B.L.Rob. | Synonym |  | WCSP |  | 
	
		| Cyperus rubiginosus var. cornutus (Andersson) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus rubriglumosus Govind. | Synonym |  | WCSP |  | 
	
		| Cyperus rubromarginatus Meinsh. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus rubromarginatus (E.G.Camus) Drobow [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus rubrotinctus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rubroviridis Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus rubroviridis var. unicapitatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus ruderalis Uittien | Synonym |  | WCSP |  | 
	
		| Cyperus rudioi Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus rudioi var. minor Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus rufescens Torr. & Hook. | Synonym |  | WCSP |  | 
	
		| Cyperus rufescens Schrad. ex Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus rufescens var. denticarinatus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus ruficomus Buckley | Synonym |  | WCSP |  | 
	
		| Cyperus rufidulus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus rufinus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus rufostriatus C.B.Clarke ex Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus rufus (Huds.) Missbach & E.H.L.Krause [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus rufus Nees ex Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus ruizianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus rupestris Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus rupestris var. amnicola (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rupestris var. parvinux (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus rupicola S.T.Blake | Accepted |  | WCSP |  | 
	
		| Cyperus rusbyi Britton [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus rutilans (C.B.Clarke) Maiden & Betche | Synonym |  | WCSP |  | 
	
		| Cyperus sabaudus Billet ex Gave | Synonym |  | WCSP |  | 
	
		| Cyperus sabulicolus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus sabulosus (Nees) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus sabulosus (Mart. & Schrad. ex Nees) Steud. | Synonym |  | TRO |  | 
	
		| Cyperus sahelii Väre & Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus salzmannii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus samoensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus sanctae-crucis Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus sandwicensis Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus sanguineoater Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus sanguineoater var. floribundus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguineofuscus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus sanguineofuscus Hook.f. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus sanguineus Balb. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus var. areolatus (R.Br.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus f. cyrtostachys (Miq.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus subsp. cyrtostachys (Miq.) A.Kern. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus f. flaccidulus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus f. humilis (Miq.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus var. korshinskyi (Meinsh.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus f. melanocephalus (Miq.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus subsp. melanocephalus (Miq.) A.Kern. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus var. micronux (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus subsp. nairobiensis (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus f. neurotropis (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus var. pratorum (Korotky) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus f. rubromarginatus (Schrenk) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus subsp. sacer Korlahalli | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus f. setaceus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus subsp. teysmannii (Boeckeler) A.Kern. | Synonym |  | WCSP |  | 
	
		| Cyperus sanguinolentus var. teysmannii (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus santonici Rottb. | Synonym |  | WCSP |  | 
	
		| Cyperus sartorii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus sarzogonensis J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus saturatus (Donn.Sm.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus scaber (R.Br.) Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus scaberrimus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus scaberrimus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus scabricaulis Lye | Accepted |  | WCSP |  | 
	
		| Cyperus scariosus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus schaffneri Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus schenckianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus schimperianus Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus schimperianus var. minor Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus schinzii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus schlechteri C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus schmitzianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus schmitzianus Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus schoenoides (R.Br.) Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus schoenoides Griseb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus schoenomorphus Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus schomburgkianus Nees | Accepted |  | WCSP |  | 
	
		| Cyperus schomburgkianus var. leucanthus (Schrad. ex Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus schomburgkianus var. trilobatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus schottianus auct. | Synonym |  | WCSP |  | 
	
		| Cyperus schottii (Nees) D.Dietr. | Synonym |  | WCSP |  | 
	
		| Cyperus schraderi J.F.Macbr. | Synonym |  | WCSP |  | 
	
		| Cyperus schraderi Herter [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus schraderianus Mart. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus schweinfurthianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus schweinfurthii (Chiov.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus schweinitzii Torr. | Accepted |  | WCSP |  | 
	
		| Cyperus schweinitzii var. debilis Britton | Synonym |  | WCSP |  | 
	
		| Cyperus sciaphilus Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus scirpinus Salzm. ex Steud. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus scirpoides R.Br. ex Fresen. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus scirpoides J.Presl & C.Presl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus scirpoides Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus scleropoae Lojac. | Synonym |  | WCSP |  | 
	
		| Cyperus scleropodus Chiov. | Accepted |  | WCSP |  | 
	
		| Cyperus scoparius Poir. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus scopellatus Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus sculptus S.T.Blake | Accepted |  | WCSP |  | 
	
		| Cyperus secubans K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus seemannianus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus seemannianus var. altus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus seemannianus var. monostachys (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus seemannianus var. perdensus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus selloanus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus sellowianus (Kunth) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus sellowii Link | Synonym |  | WCSP |  | 
	
		| Cyperus semiangulatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus semidives Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus semifertilis S.T.Blake | Accepted |  | WCSP |  | 
	
		| Cyperus seminudus Zoll. & Moritzi [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus seminudus Roxb. | Synonym |  | WCSP |  | 
	
		| Cyperus semiochraceus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus semiradiciflorus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus semiteres B.Heyne ex C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus semitribrachiatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus semitrifidus Schrad. | Accepted |  | WCSP |  | 
	
		| Cyperus semitrifidus var. apricus (Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus semitrifidus var. multiglumis (Turrill) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus semitrifidus var. sanguinolentus (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus senegalensis C.B.Clarke [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus senegalensis (C.B.Clarke) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sensilis Baijnath | Accepted |  | WCSP |  | 
	
		| Cyperus septatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus serotinus Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus serotinus f. contortus Ces. ex Asch. & Graebn. | Synonym |  | WCSP |  | 
	
		| Cyperus serotinus f. depauperatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus serotinus f. grandis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus serotinus var. inundatus (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus serotinus var. serotinus | Synonym |  | WCSP |  | 
	
		| Cyperus serpens Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus serra A.Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus serrae Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus serrae Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus serrae var. elongata Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus serrae var. minor Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus serrulatus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus serrulatus S.Watson [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus sertularinus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus sertularinus var. discigerus (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus seslerioides Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus seslerioides var. alpinus Kük. ex J.F.Macbr. | Synonym |  | WCSP |  | 
	
		| Cyperus seslerioides var. minor C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus seslerioides f. minor C.B.Clarke ex Donn.Sm. | Synonym |  | WCSP |  | 
	
		| Cyperus seslerioides var. minor (C.B. Clarke) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus sesquiflorus (Torr.) Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus subsp. appendiculatus (K.Schum.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus f. bulbiferus (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus var. cylindrica (Nees) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus sesquiflorus subsp. cylindricus (Nees) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus var. cylindricus (Nees) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus f. denticulatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus f. dunensis (Osten) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus f. elongatus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus var. fallax (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus f. globosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus f. gracilis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus f. latifolius (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus var. major (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus var. minor (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus var. pluriceps (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus f. spinulosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sesquiflorus var. subtriceps (Nees) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus setaceus (L.) Missbach & E.H.L.Krause [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus setaceus Retz. | Synonym |  | WCSP |  | 
	
		| Cyperus setaceus Wulfen [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus setaceus Raddi [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus setifolius D.Don | Synonym |  | WCSP |  | 
	
		| Cyperus setifolius Torr. ex C.B.Clarke [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus setiformis Korsh. | Synonym |  | WCSP |  | 
	
		| Cyperus setigerus Torr. & Hook. | Accepted |  | WCSP |  | 
	
		| Cyperus setigerus var. fulvescens (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus setigerus var. hallii (Britton) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sexangularis Nees | Accepted |  | WCSP |  | 
	
		| Cyperus sexflorus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus shandongense F.Z.Li | Synonym |  | WCSP |  | 
	
		| Cyperus sharonensis Danin & Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus sharpei R.Booth, D.J.Moore & Hodgon | Accepted |  | WCSP |  | 
	
		| Cyperus shimadae Ohwi | Synonym |  | WCSP |  | 
	
		| Cyperus siculus Chiov. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus sieberi Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus sieberianus Spreng. | Accepted |  | WCSP |  | 
	
		| Cyperus sieberianus (Nees ex C.B.Clarke) K.Schum. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus sieberianus Link | Synonym |  | WCSP |  | 
	
		| Cyperus sikkimensis Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus silletensis Nees | Accepted |  | WCSP |  | 
	
		| Cyperus silletensis Thwaites [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus simaoensis Y.Y.Qian | Accepted |  | WCSP |  | 
	
		| Cyperus simplex Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus simpsonii (Muasya) Larridon | Accepted |  | WCSP |  | 
	
		| Cyperus sinensis Debeaux | Synonym |  | WCSP |  | 
	
		| Cyperus sinensis var. floribundus E.G.Camus | Synonym |  | WCSP |  | 
	
		| Cyperus sintenisii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus smithianus Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus smithii Schrad. | Synonym |  | WCSP |  | 
	
		| Cyperus smithii McClean [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus socialis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus solidifolius Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus solidus Kunth | Accepted |  | WCSP |  | 
	
		| Cyperus solidus var. elatior Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus solmsii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus solutus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus somalicus Gand. | Synonym |  | WCSP |  | 
	
		| Cyperus somalidunensis Lye | Accepted |  | WCSP |  | 
	
		| Cyperus somaliensis C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus sonderi J.A.Schmidt | Synonym |  | WCSP |  | 
	
		| Cyperus songeensis (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus soongoricus Kar. & Kir. | Accepted |  | WCSP |  | 
	
		| Cyperus sordidus J.Presl & C.Presl | Accepted |  | WCSP |  | 
	
		| Cyperus sorostachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus soyauxii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus soyauxii subsp. soyauxii | Synonym |  | WCSP |  | 
	
		| Cyperus spadiceus Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus spaniophyllus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus sparsiflorus Baldwin | Synonym |  | WCSP |  | 
	
		| Cyperus sparteus Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus spathaceus (L.) L. | Synonym |  | WCSP |  | 
	
		| Cyperus speciosus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus speciosus Torr. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus speciosus Lojac. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus speciosus var. ferruginescens (Boeckeler) Britton | Synonym |  | WCSP |  | 
	
		| Cyperus speciosus var. parvus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus speciosus var. squarrosus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus spectabilis Link | Accepted |  | WCSP |  | 
	
		| Cyperus spectabilis var. coarctatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus spectabilis var. filiformis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus spectabilis var. multiflorus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus spectabilis var. parryi (Britton ex C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus spectabilis var. scaberrimus (Nees) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus spectabilis var. spectabilis | Synonym |  | WCSP |  | 
	
		| Cyperus sphacelatus Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus sphacelatus var. tenuior C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus sphaeranthelus Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus sphaerocephalus Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus sphaerocephalus var. leucocephalus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus sphaeroideus L.A.S.Johnson & O.D.Evans | Accepted |  | WCSP |  | 
	
		| Cyperus sphaerolepis Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus sphaerospermoides Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus sphaerospermoides var. transiens Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus sphaerospermus Schrad. | Accepted |  | WCSP |  | 
	
		| Cyperus sphaerostachys Link | Synonym |  | WCSP |  | 
	
		| Cyperus spherobolos Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus spicato-capitatus Jardin | Synonym |  | TRO |  | 
	
		| Cyperus spicatocapitatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus spicatus J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus spicigerus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus spiculatus Alph.Wood | Synonym |  | WCSP |  | 
	
		| Cyperus spiculosus F.N.Williams [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus spiculosus Rchb. | Synonym |  | WCSP |  | 
	
		| Cyperus spinuliferus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus spinulosus Roxb. | Synonym |  | WCSP |  | 
	
		| Cyperus spiralis Larridon | Accepted |  | WCSP |  | 
	
		| Cyperus spissiflorus (C.B.Clarke) K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus splendens (Cherm.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus spongiosocoriaceus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus spongiosovaginatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus sporobolus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus sporobolus var. microcephalus (R.Br.) Benth. ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sporobolus var. sexflorus (R.Br.) Benth. ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus spretus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus squalidus Liebm. | Synonym |  | WCSP |  | 
	
		| Cyperus squamulatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus squarrosulus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus squarrosus F.Muell. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus squarrosus L. | Accepted |  | WCSP |  | 
	
		| Cyperus squarrosus var. congestus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus squarrosus var. cylindraceus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus squarrosus var. parvus Britton | Synonym |  | TRO |  | 
	
		| Cyperus squarrosus var. runyonii (O'Neill) S.D.Jones & Wipff | Synonym |  | WCSP |  | 
	
		| Cyperus squarrosus var. stenocarpus F.Muell. | Synonym |  | WCSP |  | 
	
		| Cyperus st-crucei Liebm. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus stachyphorus K.Koch | Synonym |  | WCSP |  | 
	
		| Cyperus stauntonii (C.B.Clarke) Ohwi | Synonym |  | WCSP |  | 
	
		| Cyperus steadii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus stellatus Link [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus stellatus Rudge | Synonym |  | WCSP |  | 
	
		| Cyperus stenolepis Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus stenophyllus J.V.Suringar | Accepted |  | WCSP |  | 
	
		| Cyperus stenophyllus var. ornans (J.V.Suringar) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus stenostachyus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus stenostachyus var. indicus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus steudelianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus stigmatosus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus stolonifer Willd. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus stoloniferus Retz. | Accepted |  | WCSP |  | 
	
		| Cyperus stoloniferus var. pallidus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus stradbrokensis Domin | Accepted |  | WCSP |  | 
	
		| Cyperus stramineoferrugineus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus stramineus Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus stramineus Link | Synonym |  | WCSP |  | 
	
		| Cyperus straminicolor Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus straminicolor var. betsileensis Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus striatulus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus striatus Ruiz & Pav. | Synonym |  | WCSP |  | 
	
		| Cyperus stricticulmis Govind. | Synonym |  | WCSP |  | 
	
		| Cyperus strictus Lam. | Synonym |  | WCSP |  | 
	
		| Cyperus strictus Wight ex C.B.Clarke [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus strictus Roxb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus L. | Accepted |  | WCSP |  | 
	
		| Cyperus strigosus var. capitatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus f. capitatus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus f. capitatus (Boeck.) S.F. Blake | Synonym |  | TRO |  | 
	
		| Cyperus strigosus var. compositus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus var. elongatus (Torr.) Britton | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus var. gracilis Britton | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus var. hansenii (Britton) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus var. multiflorus Geise | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus var. naguensis (Britton) O'Neill | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus f. praelongatus (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus var. pygmaeus Gatt. | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus var. robustior Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus var. stenolepis (Torr.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus strigosus var. strigosus | Synonym |  | TRO |  | 
	
		| Cyperus stuhlmannii C.B.Clarke ex K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus stuhlmannii C.B. Clarke | Synonym |  | TRO |  | 
	
		| Cyperus stuppeus G.Forst. | Synonym |  | WCSP |  | 
	
		| Cyperus suaveolens Boivin ex Cherm. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus subaequalis Baker | Accepted |  | WCSP |  | 
	
		| Cyperus subalatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus subalatus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus subambiguus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subambiguus var. pallidicolor Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subanceps Boeckeler [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus subaphyllus Boeckeler ex Schinz | Synonym |  | WCSP |  | 
	
		| Cyperus subarticulatus Nees & Meyen [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus subbadius Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus subbulbosus Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus subcapitatus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus subcaracasanus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus subcastaneus D.A.Simpson | Accepted |  | WCSP |  | 
	
		| Cyperus subcastaneus subsp. subcastaneus | Synonym |  | WCSP |  | 
	
		| Cyperus subchoristachys C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus subenervius Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus subfuscus Debeaux | Accepted |  | WCSP |  | 
	
		| Cyperus subintermedius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subintermedius var. angustisquamatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subintermedius var. vicinus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sublaevicarinatus Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sublimis (C.B.Clarke) Dandy | Synonym |  | WCSP |  | 
	
		| Cyperus submacropus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus submacropus var. abbreviatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus submacropus var. calocephalus A.Peter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus submacropus var. fuscofibrosus A.Peter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus submaculatus T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus submicrolepis Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus submonastichyus Steud. & Jard. | Synonym |  | WCSP |  | 
	
		| Cyperus subnodosus Nees & Meyen | Synonym |  | WCSP |  | 
	
		| Cyperus subpapuanus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus subparadoxus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subpinnatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subpinnatus var. subrigidellus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subrigidulus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subrotundus Llanos | Synonym |  | WCSP |  | 
	
		| Cyperus substramineus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subtenax Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus subtenuis (Kük.) M.T.Strong | Accepted |  | WCSP |  | 
	
		| Cyperus subtilis (Kük.) Väre & Kukkonen | Accepted |  | WCSP |  | 
	
		| Cyperus subtrigonus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subulatus Meyen [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus subulatus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus subulatus var. confertus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus subumbellatus Kük. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus subumbellatus var. sessilispicatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subumbellatus var. subglobosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subumbellatus var. sublimis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus subuniflorus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus subxerophilus Kük. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus sulcinux C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus superatus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus supinus (L.) Missbach & E.H.L.Krause | Synonym |  | WCSP |  | 
	
		| Cyperus surinamensis Rottb. | Accepted |  | WCSP |  | 
	
		| Cyperus surinamensis var. formosus (Vahl) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus surinamensis var. strictus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus surinamensis var. surinamensis | Synonym |  | WCSP |  | 
	
		| Cyperus surinamensis var. viridis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus svensonii G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus swartzii (A.Dietr.) Boeckeler ex Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus swartzii var. efoliatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus swartzii var. elongatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus swartzii var. granularis (Desf. ex Link) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus swartzii var. latifolius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus sylvaticus (L.) Missbach & E.H.L.Krause | Synonym |  | WCSP |  | 
	
		| Cyperus sylvestris Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus sylvicola Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus syriacus Parl. | Synonym |  | WCSP |  | 
	
		| Cyperus szechuanensis T.Koyama | Accepted |  | WCSP |  | 
	
		| Cyperus tabernaemontani (C.C.Gmel.) Missbach & E.H.L.Krause | Synonym |  | WCSP |  | 
	
		| Cyperus tabina Steud. ex Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus tabularis Schrad. | Accepted |  | WCSP |  | 
	
		| Cyperus tabularis var. ecklonii (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tabularis var. humilis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tabularis var. major Nees | Synonym |  | WCSP |  | 
	
		| Cyperus tabularis var. zeyheri (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tacnensis Nees & Meyen | Accepted |  | WCSP |  | 
	
		| Cyperus tacnensis var. tacnensis | Synonym |  | WCSP |  | 
	
		| Cyperus tacnensis var. tarijensis (Kük.) Pedersen | Accepted |  | WCSP |  | 
	
		| Cyperus tacnensis var. weberbaueri (Kük.) Pedersen | Accepted |  | WCSP |  | 
	
		| Cyperus taitensis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus tanaensis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tanganyicanus (Kük.) Lye | Accepted |  | WCSP |  | 
	
		| Cyperus tanyphyllus Ridl. | Accepted |  | WCSP |  | 
	
		| Cyperus tanzaniae (Lye) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus tatandaensis Muasya & D.A.Simpson | Accepted |  | WCSP |  | 
	
		| Cyperus tataricus Less. | Synonym |  | WCSP |  | 
	
		| Cyperus taubertii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus taylorii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus tegetiformis Benth. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus tegetiformis Roxb. ex Arn. | Synonym |  | WCSP |  | 
	
		| Cyperus tegetum C.B.Clarke [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus tegetum Roxb. | Synonym |  | WCSP |  | 
	
		| Cyperus tegetum var. ambiguus C.B. Clarke | Synonym |  | TRO |  | 
	
		| Cyperus tegetum var. protracta C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus tempeae G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus tenax Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus tenax var. actinostachys (Welw. ex Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenax var. andongensis (Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenax var. angustissimus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenax var. monroviensis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenax var. pseudocastaneus (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenax var. sabulicolus (Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tendo Banks & Sol. ex Hook.f. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus tenellus L.f. | Synonym |  | WCSP |  | 
	
		| Cyperus tenellus J.Presl & C.Presl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus tenellus Torr. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus tenellus var. micromegas (Nees) F.Muell. | Synonym |  | WCSP |  | 
	
		| Cyperus tener Vahl [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus tener Osten ex Herter | Synonym |  | TRO |  | 
	
		| Cyperus teneriffae Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus teneriffae var. longimucronatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus teneriffae f. petraeus (Hochst. ex Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus teneriffae var. succulentus Dinter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus teneristolon Mattf. & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus teneristolon var. robustior (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenerrimus J.Presl & C.Presl | Accepted |  | WCSP |  | 
	
		| Cyperus tenoreanus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus tenorei C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus tenorianus Roem. & Schult. | Synonym |  | TRO |  | 
	
		| Cyperus tenuicapitatus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuicomus Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuiculmis Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus tenuiculmis var. guineensis (Nelmes) S.S.Hooper | Accepted |  | WCSP |  | 
	
		| Cyperus tenuiculmis var. schweinfurthianus (Boeckeler) S.S.Hooper | Accepted |  | WCSP |  | 
	
		| Cyperus tenuiculmis var. tenuiculmis | Synonym |  | WCSP |  | 
	
		| Cyperus tenuiculus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus tenuiflorus Elliott [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus tenuiflorus Rottb. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuiflorus Roxb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus tenuifolius Walp. [Spelling variant] | Synonym |  | WCSP |  | 
	
		| Cyperus tenuifolius (Steud.) Dandy | Synonym |  | WCSP |  | 
	
		| Cyperus tenuifolius T.L.Dai [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus tenuior Engelm. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuis Sw. | Accepted |  | WCSP |  | 
	
		| Cyperus tenuis Muhl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus tenuis var. aximensis (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuis var. brevior Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuis var. capillaris (Sw.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuis var. eurystachys (Ridl.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuis var. fulvescens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuis var. grandiceps Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuis var. lentiginosus (Millsp. & Chase) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuis var. luridus (T.Durand & De Wild.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tenuispica Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus tenuispicatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tenuispiculatus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus tenuispiculatus var. pseudaterrimus Kük. | Synonym |  | TRO |  | 
	
		| Cyperus tenuispiculatus var. pseudatterimus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tephrodes Schrad. ex Nees | Synonym |  | WCSP |  | 
	
		| Cyperus teretifolius A.Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus teretifructus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus terminalis Marsh ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus tersus Link | Synonym |  | WCSP |  | 
	
		| Cyperus tetracarpus Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus tetraformis Desv. | Accepted |  | TRO |  | 
	
		| Cyperus tetragonus Elliott | Accepted |  | WCSP |  | 
	
		| Cyperus tetragonus Hemsl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus tetragonus var. intercedens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tetragonus var. pringlei (Britton) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tetraphyllus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus tetraphyllus var. monocephalus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus tetrastachyos Desf. | Synonym |  | WCSP |  | 
	
		| Cyperus texensis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus textilis Thunb. | Accepted |  | WCSP |  | 
	
		| Cyperus textilis F.Muell. | Synonym |  | WCSP |  | 
	
		| Cyperus textorii Miq. | Synonym |  | WCSP |  | 
	
		| Cyperus teysmannii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus thermalis Dumort. | Synonym |  | WCSP |  | 
	
		| Cyperus thomsonii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus thorelii E.G.Camus | Accepted |  | WCSP |  | 
	
		| Cyperus thorncroftii McClean | Accepted |  | WCSP |  | 
	
		| Cyperus thouarsianus C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus thouarsii Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus thunbergii Vahl | Accepted |  | WCSP |  | 
	
		| Cyperus thunbergii var. gillii (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus thunbergii var. robustior (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus thunbergii var. trisumbellatus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus thyrsiflorus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus thyrsiflorus Jungh. ex Schltdl. | Accepted |  | WCSP |  | 
	
		| Cyperus thyrsiflorus var. anceps (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus thyrsiflorus var. macrior F.Aresch. | Synonym |  | WCSP |  | 
	
		| Cyperus thyrsiflorus var. vegetior F.Aresch. | Synonym |  | WCSP |  | 
	
		| Cyperus tibialis (Poit. ex Ledeb.) Govaerts | Synonym |  | WCSP |  | 
	
		| Cyperus tisserantii Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus toisensis Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus tokiensis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus tolucensis Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus tomaiophyllus K.Schum. | Accepted |  | WCSP |  | 
	
		| Cyperus tomaiophyllus var. alpestris (K.Schum.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tomaiophyllus var. crassistolon Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tomaiophyllus var. laxiflorus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tomaiophyllus var. magnus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tonduzianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tonduzianus var. tenuis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tonduzii Boeck. | Synonym |  | TRO |  | 
	
		| Cyperus tonduzii var. tenuis (Boeck.) Kük. | Synonym |  | TRO |  | 
	
		| Cyperus tongatabuensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tonkinensis C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus tonkinensis var. baikiei (C.B.Clarke ex Kük.) S.S.Hooper | Accepted |  | WCSP |  | 
	
		| Cyperus tonkinensis var. tonkinensis | Synonym |  | WCSP |  | 
	
		| Cyperus torosus Vahl | Synonym |  | WCSP |  | 
	
		| Cyperus torreyanus Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus torreyi Britton | Synonym |  | WCSP |  | 
	
		| Cyperus tortuosus J.Koenig ex Roxb. | Synonym |  | WCSP |  | 
	
		| Cyperus tosaensis Makino | Synonym |  | WCSP |  | 
	
		| Cyperus trachycladus Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus trachynotus Torr. | Synonym |  | WCSP |  | 
	
		| Cyperus trachyrhachis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus trachysanthos Hook. & Arn. | Accepted |  | WCSP |  | 
	
		| Cyperus trailii C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus transitorius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tremulus Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus tremulus Baker | Synonym |  | TRO |  | 
	
		| Cyperus tremulus var. colchicus (K.Koch) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tremulus var. minor Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tremulus var. opulentus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tremulus var. woronowii (Palla) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus trialatus (Boeckeler) J.Kern | Accepted |  | WCSP |  | 
	
		| Cyperus tribrachiatus (Liebm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus tribrachiatus var. tenuis (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus triceps Endl. | Synonym |  | WCSP |  | 
	
		| Cyperus triceps Nees [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus triceps F.N.Williams [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus triceps var. angustifolius Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus triceps var. ciliatus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus triceps var. multiflorus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus triceps var. obtusiflorus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus trichodes Griseb. | Accepted |  | WCSP |  | 
	
		| Cyperus trichostachys Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus triflorus L. | Synonym |  | WCSP |  | 
	
		| Cyperus trigonellus Suess. | Accepted |  | WCSP |  | 
	
		| Cyperus trigonus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus trigynus Spreng. | Synonym |  | WCSP |  | 
	
		| Cyperus trinervis R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus trinervis var. aquatilis (R.Br.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus trinervis var. breviculmis (R.Br.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus trinervis var. contractus Domin | Synonym |  | WCSP |  | 
	
		| Cyperus trinervis var. flaccidus (R.Br.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus trinervis var. laxus (Benth.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus trinervis var. superatus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus trinidadensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus trinitatis Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus triphyllus Larrañaga [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus triqueter Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus triqueter (L.) Missbach & E.H.L.Krause [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus trispicatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tristachyus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tristachyus var. elongatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tristachyus var. minor Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tristis Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus trisulcus D.Don | Accepted |  | WCSP |  | 
	
		| Cyperus tropicalis M.T. Strong | Unresolved |  | TRO |  | 
	
		| Cyperus truncatulus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus truncatus A.Rich. | Synonym |  | WCSP |  | 
	
		| Cyperus truncatus C.A.Mey. ex Turcz. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus truncatus Turcz. ex Ledeb. | Synonym |  | TRO |  | 
	
		| Cyperus truncatus var. robustus Nakai | Synonym |  | WCSP |  | 
	
		| Cyperus tsaratananensis Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus tschinsendensis Turrill | Synonym |  | WCSP |  | 
	
		| Cyperus tuberiferus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus tuberosus Pursh [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus tuberosus Rottb. | Synonym |  | WCSP |  | 
	
		| Cyperus tuberosus Roxb. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus tucumanensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus tunicatus Roem. & Schult. | Synonym |  | WCSP |  | 
	
		| Cyperus × turbatus Baijnath | Accepted |  | WCSP |  | 
	
		| Cyperus turfosus Salzm. ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus turfosus Salzmann ex Daveau | Synonym |  | TRO |  | 
	
		| Cyperus turgidulus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus turrialbanus Gómez-Laur. | Accepted |  | WCSP |  | 
	
		| Cyperus turrillii Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus tweediei C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus ubertus Willd. ex Link | Synonym |  | WCSP |  | 
	
		| Cyperus ugandensis Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus ugogensis Peter & Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus uleanus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus uliginosus Thouars ex Link | Synonym |  | WCSP |  | 
	
		| Cyperus umbellatus Hemsl. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus umbellatus Roxb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus umbellatus (Rottb.) Benth. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus umbellatus Thwaites [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus umbellatus Hillebr. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus umbellatus Burm.f. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus umbellatus var. cylindrostachys C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus umbellatus f. cyperinus (Retz.) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus umbellatus var. fasciculiger F.Muell. | Synonym |  | WCSP |  | 
	
		| Cyperus umbellatus var. laxatus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus umbellatus var. laxiflorus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus umbellatus var. panicea Rottb. | Unresolved |  | TRO |  | 
	
		| Cyperus umbilensis (C.B.Clarke ex W.Watson) Boeckeler ex Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus umbraticola Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus umbrosus Lindl. & Nees | Synonym |  | WCSP |  | 
	
		| Cyperus uncinatus Poir. | Synonym |  | WCSP |  | 
	
		| Cyperus uncinatus Desv. ex Ham. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus uncinatus R.Br. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus uncinatus var. gratus (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus uncinulatus Schrad. ex Nees | Accepted |  | WCSP |  | 
	
		| Cyperus underwoodii Britton | Synonym |  | WCSP |  | 
	
		| Cyperus undulatus Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus unicolor Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus uniflorus Thunb. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus uniflorus Torr. & Hook. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus uniflorus var. dicarpus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus uniflorus var. floribundus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus uniflorus var. pseudothyrsiflorus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus uniflorus var. pumilus Britton | Synonym |  | WCSP |  | 
	
		| Cyperus uniflorus var. retroflexus (Buckley) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus unifolius Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus uniglumis (Link) Missbach & E.H.L.Krause | Synonym |  | WCSP |  | 
	
		| Cyperus unioloides R.Br. | Synonym |  | WCSP |  | 
	
		| Cyperus unioloides var. bromoides (Link) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus unioloides var. compositus T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus unioloides var. fissivaginatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus unioloides f. insularis (Domin) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus unioloides f. pallescens Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus unioloides f. reductus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus unioloides var. wightii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus unispicatus Bauters, Reynders & Goetgh. | Accepted |  | WCSP |  | 
	
		| Cyperus unistamen T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus upoluensis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus urbanii Boeckeler | Accepted |  | WCSP |  | 
	
		| Cyperus urvilleanus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus usitatus Burch. ex Roem. & Schult. | Accepted |  | WCSP |  | 
	
		| Cyperus usitatus var. sanguinolentus Nees | Synonym |  | WCSP |  | 
	
		| Cyperus usitatus var. stuhlmannii (C.B.Clarke ex K.Schum.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus usitatus subsp. usitatus | Synonym |  | WCSP |  | 
	
		| Cyperus usterii Palla | Synonym |  | WCSP |  | 
	
		| Cyperus ustulatus A.Rich. | Accepted |  | WCSP |  | 
	
		| Cyperus ustulatus f. grandispiculosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus vaginatissimus K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus vaginatus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus vaginatus Link [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus vaginatus var. contractus Domin | Synonym |  | WCSP |  | 
	
		| Cyperus vaginatus var. densiflorus Benth. | Synonym |  | WCSP |  | 
	
		| Cyperus vaginatus subsp. gymnocaulos (Steud.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus vaginatus var. gymnocaulos (Steud.) Probst | Synonym |  | WCSP |  | 
	
		| Cyperus vaginatus var. pseudotextilis Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus vahlii (Schrad. ex Nees) Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus vahlii Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus valdiviae Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus validus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus vandervekenii Reynders, Dhooge & Goetgh. | Accepted |  | WCSP |  | 
	
		| Cyperus variabilis Salzm. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus varicus (C.B.Clarke ex Cherm.) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus varicus var. arcuatoreflexus (Cherm.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus varicus var. simpliciusculus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus variegatus Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus variegatus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus variegatus Griseb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus variegatus var. atrosanguineus (Hochst. ex A.Rich.) Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus varius Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus vegetus Willd. | Synonym |  | WCSP |  | 
	
		| Cyperus vegetus var. acutangulus (Boeckeler) Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus vegetus var. compactus Desv. | Synonym |  | WCSP |  | 
	
		| Cyperus vegetus var. limbata C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus vegetus var. obtusangulus Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus vegetus var. triangularis Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus vegetus var. trigonus Kuntze | Synonym |  | WCSP |  | 
	
		| Cyperus ventricosus R.Br. | Accepted |  | WCSP |  | 
	
		| Cyperus venturii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus venustus R.Br. | Synonym |  | WCSP |  | 
	
		| Cyperus venustus Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus venustus G.Forst. [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus venustus Kunth [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus verrucinux C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus versicolor Nees | Synonym |  | WCSP |  | 
	
		| Cyperus verticillatus Roxb. | Synonym |  | WCSP |  | 
	
		| Cyperus vestitus Hochst. ex C.Krauss | Accepted |  | WCSP |  | 
	
		| Cyperus vestitus var. pseudocallistus (Kük.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus vexillatus Peter ex Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus vialis Ridl. | Synonym |  | WCSP |  | 
	
		| Cyperus victoriensis C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus violifolia Rodriguez & Alfonso | Unresolved |  | TRO |  | 
	
		| Cyperus virens Michx. | Accepted |  | WCSP |  | 
	
		| Cyperus virens Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus virens var. acutangulus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus virens var. arenicola (Steud.) Shinners | Synonym |  | WCSP |  | 
	
		| Cyperus virens var. brittonii C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus virens var. drummondii (Torr. & Hook.) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus virens subsp. drummondii (Torr. & Hook.) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus virens var. glaucopallidus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus virens var. minarum (Boeckeler) Denton | Accepted |  | WCSP |  | 
	
		| Cyperus virens var. montanus (Boeckeler) Deuton | Accepted |  | WCSP |  | 
	
		| Cyperus virens var. robustus (Kunth) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus virens var. scaberrimus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus virens var. virens | Synonym |  | WCSP |  | 
	
		| Cyperus virens var. widgrenii (Boeckeler) C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus virescens Hoffm. | Synonym |  | WCSP |  | 
	
		| Cyperus virginicus Jacq. ex Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus viridis Willd. ex Kunth [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus viridis Roxb. ex C.B.Clarke [Invalid] | Synonym |  | WCSP |  | 
	
		| Cyperus viridis Sieber ex C.Presl [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus viridis Krock. | Synonym |  | WCSP |  | 
	
		| Cyperus viridispicatus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus viridulus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus viscidulus K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus viscosus Sw. | Synonym |  | WCSP |  | 
	
		| Cyperus viviparus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus volckmannii Phil. | Accepted |  | WCSP |  | 
	
		| Cyperus volodia Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus volodioides Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus volodioides var. mangorensis (Cherm.) Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus vorsteri K.L.Wilson | Accepted |  | WCSP |  | 
	
		| Cyperus vulgaris Hochst. ex Boeckeler [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus vulgaris Sieber ex Kunth | Synonym |  | WCSP |  | 
	
		| Cyperus vulnerans Salzm. ex Schltdl. | Synonym |  | WCSP |  | 
	
		| Cyperus wacketii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus waillyi (Cherm.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus wallichianus Spreng. | Accepted |  | WCSP |  | 
	
		| Cyperus wallichii Nees | Synonym |  | WCSP |  | 
	
		| Cyperus warmingii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus washingtonensis Gand. | Synonym |  | WCSP |  | 
	
		| Cyperus waterloti Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus watsonianus Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus wawrae Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus × weatherbianus Fernald [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus weatherbianus Fernald | Unresolved |  | TRO |  | 
	
		| Cyperus webbianus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus weinlandii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus welwitschii (Ridl.) Lye | Synonym |  | WCSP |  | 
	
		| Cyperus whitmeei (C.B.Clarke) Kük. | Accepted |  | WCSP |  | 
	
		| Cyperus widgrenii Boeckeler | Synonym |  | WCSP |  | 
	
		| Cyperus wiestii Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus wightii Hance [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus wightii Nees | Synonym |  | WCSP |  | 
	
		| Cyperus wilburii G.C.Tucker | Accepted |  | WCSP |  | 
	
		| Cyperus wilmsii Gand. | Synonym |  | WCSP |  | 
	
		| Cyperus winkleri Britton ex Small | Synonym |  | WCSP |  | 
	
		| Cyperus wissmannii O.Schwartz | Accepted |  | WCSP |  | 
	
		| Cyperus wittei Cherm. | Synonym |  | WCSP |  | 
	
		| Cyperus wolfii Alph.Wood | Synonym |  | WCSP |  | 
	
		| Cyperus wrightii Britton | Synonym |  | WCSP |  | 
	
		| Cyperus xanthinus C.Presl | Synonym |  | WCSP |  | 
	
		| Cyperus xanthocomus Link | Synonym |  | WCSP |  | 
	
		| Cyperus xanthopus Steud. | Synonym |  | WCSP |  | 
	
		| Cyperus xanthostachyus Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus xerophilus (Domin) Kük. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Cyperus xerophilus Cherm. | Accepted |  | WCSP |  | 
	
		| Cyperus yadavii Wad.Khan, D.P.Chavan & Solanke | Accepted |  | WCSP |  | 
	
		| Cyperus × yamamotoi T.Koyama [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Cyperus yemenicus Spreng. | Synonym |  | WCSP |  | 
	
		| Cyperus yoshinagae Ohwi | Synonym |  | WCSP |  | 
	
		| Cyperus zairensis Chiov. | Synonym |  | WCSP |  | 
	
		| Cyperus zambesiensis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus zanzibarensis C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus zollingeri Steud. | Accepted |  | WCSP |  | 
	
		| Cyperus zollingeri var. condensatus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus zollingeri f. levicaulis C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus zollingeri var. livingstonii Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus zollingeri var. longiramulosus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus zollingeri var. parvus C.B.Clarke | Synonym |  | WCSP |  | 
	
		| Cyperus zollingeri var. permacer (C.B.Clarke) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus zollingeri var. robusta K.Schum. | Synonym |  | WCSP |  | 
	
		| Cyperus zollingeri var. schweinfurthianus (Boeckeler) Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus zollingerianus (Boeckeler) T.Koyama | Synonym |  | WCSP |  | 
	
		| Cyperus zollingerioides C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Cyperus zonatissimus Kük. | Synonym |  | WCSP |  | 
	
		| Cyperus zonatus Kük. | Synonym |  | WCSP |  |