| Glyceria acuminata Schur | Synonym |  | WCSP |  | 
	
		| Glyceria acutiflora Torr. | Accepted |  | WCSP |  | 
	
		| Glyceria acutiflora subsp. japonica (Steud.) T.Koyama & Kawano | Synonym |  | WCSP |  | 
	
		| Glyceria acutiuscula H.Scholz | Synonym |  | WCSP |  | 
	
		| Glyceria airoides (Koeler) Rchb. | Synonym |  | WCSP |  | 
	
		| Glyceria airoides Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria airoides (Nutt.) Fr. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria algida (Sol.) Hartm. | Synonym |  | WCSP |  | 
	
		| Glyceria alnasteretum Kom. | Accepted |  | WCSP |  | 
	
		| Glyceria altissima Garcke | Synonym |  | WCSP |  | 
	
		| Glyceria americana (Torr.) Pammel | Synonym |  | WCSP |  | 
	
		| Glyceria × amurensis Prob. | Accepted |  | WCSP |  | 
	
		| Glyceria angustata (R.Br.) Th.Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria angustata (R. Br.) Fr. | Synonym |  | TRO |  | 
	
		| Glyceria angustifolia Skvortsov | Synonym |  | WCSP |  | 
	
		| Glyceria antarctica Speg. | Synonym |  | WCSP |  | 
	
		| Glyceria aquatica (L.) J.Presl & C.Presl | Synonym |  | WCSP |  | 
	
		| Glyceria aquatica subsp. arundinacea (Kunth) Asch. & Graebn. | Synonym |  | WCSP |  | 
	
		| Glyceria aquatica subsp. debilior (Trin.) T.Koyama | Synonym |  | WCSP |  | 
	
		| Glyceria aquatica var. debilior Trin. ex F.Schmidt | Synonym |  | WCSP |  | 
	
		| Glyceria aquatica var. latifolia Heuff. | Synonym |  | WCSP |  | 
	
		| Glyceria aquatica subsp. nervata (Willd.) Douin | Synonym |  | WCSP |  | 
	
		| Glyceria aquatica var. scabra Peterm. | Synonym |  | WCSP |  | 
	
		| Glyceria aquatica var. triflora Korsh. | Synonym |  | WCSP |  | 
	
		| Glyceria arctica Hook. | Synonym |  | WCSP |  | 
	
		| Glyceria arctica var. capillaris Lange | Synonym |  | WCSP |  | 
	
		| Glyceria arctica var. dasyantha Lange | Synonym |  | WCSP |  | 
	
		| Glyceria arctica var. laxa Lange | Synonym |  | WCSP |  | 
	
		| Glyceria arkansana Fernald | Accepted |  | WCSP |  | 
	
		| Glyceria arundinacea Kunth | Accepted |  | WCSP |  | 
	
		| Glyceria arundinacea (Roem. & Schult.) Fr. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria arundinacea subsp. grandis (S.Watson ex A.Gray) Tzvelev | Synonym |  | WCSP |  | 
	
		| Glyceria arundinacea subsp. triflora (Korsh.) Tzvelev | Synonym |  | WCSP |  | 
	
		| Glyceria asiatica Nutt. | Synonym |  | WCSP (in review) |  | 
	
		| Glyceria australasica Steud. | Synonym |  | WCSP |  | 
	
		| Glyceria australis C.E.Hubb. | Accepted |  | WCSP |  | 
	
		| Glyceria baltica Lindeb. | Synonym |  | WCSP |  | 
	
		| Glyceria baltica var. setacea Lindeb. | Synonym |  | TRO |  | 
	
		| Glyceria baltica var. vegetior Lindeb. | Synonym |  | TRO |  | 
	
		| Glyceria baumgarteniana Schur | Synonym |  | WCSP |  | 
	
		| Glyceria borealis (Nash) Batch. | Accepted |  | WCSP |  | 
	
		| Glyceria borreri (Bab.) Bab. | Synonym |  | WCSP |  | 
	
		| Glyceria borreri var. humilis Marshall | Synonym |  | TRO |  | 
	
		| Glyceria brevifolia (Muhl.) Schult. | Synonym |  | WCSP |  | 
	
		| Glyceria bulbosa Buckley | Synonym |  | WCSP |  | 
	
		| Glyceria × burdonii Druce | Accepted |  | WCSP |  | 
	
		| Glyceria californica Beetle | Synonym |  | WCSP |  | 
	
		| Glyceria canadensis (Michx.) Trin. | Accepted |  | WCSP |  | 
	
		| Glyceria canadensis var. laxa (Scribn.) Hitchc. | Synonym |  | WCSP |  | 
	
		| Glyceria canbyi Scribn. | Synonym |  | WCSP |  | 
	
		| Glyceria capillaris (Lilj.) Wahlenb. | Synonym |  | WCSP |  | 
	
		| Glyceria caspia Trin. | Accepted |  | WCSP |  | 
	
		| Glyceria catabrosa Klett & Richt. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria chinensis Keng ex Z.L.Wu | Accepted |  | WCSP |  | 
	
		| Glyceria colombiana Gir.-Cañas | Accepted |  | WCSP |  | 
	
		| Glyceria conferta Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria conferta subsp. pseudodistans (Crép.) P. Fourn. | Synonym |  | TRO |  | 
	
		| Glyceria convoluta (Hornem.) Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria convoluta subsp. festuciformis (Host) Douin | Synonym |  | WCSP |  | 
	
		| Glyceria convoluta subsp. tenuifolia (Boiss. & Reut.) Douin | Synonym |  | TRO |  | 
	
		| Glyceria cookei Swallen | Synonym |  | WCSP |  | 
	
		| Glyceria davyi (Merr.) Tzvelev | Synonym |  | TRO |  | 
	
		| Glyceria debilior (Trin. ex F.Schmidt) Kudô | Synonym |  | WCSP |  | 
	
		| Glyceria debilior var. karafutensis Ohwi | Synonym |  | WCSP |  | 
	
		| Glyceria declinata Bréb. | Accepted |  | WCSP |  | 
	
		| Glyceria delawarica (Link) Heynh. | Synonym |  | WCSP |  | 
	
		| Glyceria denticulata Dumort. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria depauperata Ohwi | Accepted |  | WCSP |  | 
	
		| Glyceria depauperata var. infirma (Ohwi) Ohwi | Synonym |  | WCSP |  | 
	
		| Glyceria × digenea Domin | Accepted |  | WCSP |  | 
	
		| Glyceria distans (Jacq.) Wahlenb. | Synonym |  | WCSP |  | 
	
		| Glyceria distans var. angustifolia Blytt | Synonym |  | WCSP |  | 
	
		| Glyceria distans var. arctica (Hook.) Gelert ex Simmonds | Synonym |  | WCSP |  | 
	
		| Glyceria distans subsp. conferta (Fr.) Hook.f. | Synonym |  | WCSP |  | 
	
		| Glyceria distans var. convoluta (Hornem.) Regel | Synonym |  | WCSP |  | 
	
		| Glyceria distans var. glauca Regel | Synonym |  | WCSP |  | 
	
		| Glyceria distans f. montana Waisb. | Synonym |  | WCSP |  | 
	
		| Glyceria distans subsp. parlatorei (Bég.) Bég. | Synonym |  | WCSP |  | 
	
		| Glyceria distans var. parlatorei Bég. | Synonym |  | TRO |  | 
	
		| Glyceria distans var. pulvinata Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria distans var. reptans Laest. | Synonym |  | WCSP |  | 
	
		| Glyceria distans var. tenuiflora Godr. | Synonym |  | WCSP |  | 
	
		| Glyceria distans var. tenuis R.Uechtr. | Synonym |  | WCSP |  | 
	
		| Glyceria dives (F.Muell.) F.Muell. ex Benth. | Synonym |  | WCSP |  | 
	
		| Glyceria drummondii (Steud.) C.E.Hubb. | Accepted |  | WCSP |  | 
	
		| Glyceria dulcis (Salisb.) Holmb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria dusenii Lindeb. | Synonym |  | WCSP |  | 
	
		| Glyceria effusa Kitag. | Synonym |  | WCSP |  | 
	
		| Glyceria effusa var. coreana (Ohwi) Tzvelev | Synonym |  | TRO |  | 
	
		| Glyceria elata (Nash) M.E.Jones | Accepted |  | WCSP |  | 
	
		| Glyceria elongata Trin. | Synonym |  | WCSP |  | 
	
		| Glyceria erecta Hitchc. | Synonym |  | WCSP |  | 
	
		| Glyceria expansa Crép. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria explanata Lindeb. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Glyceria fernaldii (Hitchc.) H.St.John | Synonym |  | WCSP |  | 
	
		| Glyceria festuciformis (Host) Heynh. ex Rchb. | Synonym |  | WCSP |  | 
	
		| Glyceria festuciformis Schur [Invalid] | Synonym |  | WCSP |  | 
	
		| Glyceria festuciformis f. kattegatensis Neuman | Unresolved |  | WCSP |  | 
	
		| Glyceria flava Farw. [Invalid] | Synonym |  | WCSP |  | 
	
		| Glyceria flavescens M.E.Jones | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans (L.) R.Br. | Accepted |  | WCSP |  | 
	
		| Glyceria fluitans var. angustata Fernald | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans subsp. declinata (Bréb.) O.Bolòs, Masalles & Vigo | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans var. declinata (Bréb.) Ghișa | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans var. islandica Á.Löve | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans var. leptorhiza Maxim. | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans var. loliacea (Huds.) Asch. | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans subsp. plicata Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans var. plicata (Fr.) Griseb. | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans subsp. poiformis Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans var. pumila Andersson | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans subsp. spicata (Guss.) Maire | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans var. spicata (Guss.) Lange | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans var. stricta É.Desv. | Synonym |  | WCSP |  | 
	
		| Glyceria fluitans var. triticea (Fr.) Andersson | Synonym |  | WCSP |  | 
	
		| Glyceria fordeana (F.Muell.) Benth. | Synonym |  | WCSP |  | 
	
		| Glyceria formosensis Ohwi | Accepted |  | WCSP |  | 
	
		| Glyceria foucaudii (Hack.) Coste | Synonym |  | WCSP |  | 
	
		| Glyceria fuegiana Speg. | Synonym |  | WCSP |  | 
	
		| Glyceria fulva (Trin.) Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria × gatineauensis Bowden | Accepted |  | WCSP |  | 
	
		| Glyceria glaucescens (Phil.) Benth. | Synonym |  | WCSP |  | 
	
		| Glyceria glumaris (Trin.) Griseb. | Synonym |  | WCSP |  | 
	
		| Glyceria gracilis Palib. [Invalid] | Synonym |  | WCSP |  | 
	
		| Glyceria grandis S.Watson | Accepted |  | WCSP |  | 
	
		| Glyceria grandis var. grandis | Synonym |  | TRO |  | 
	
		| Glyceria grandis f. grandis | Synonym |  | TRO |  | 
	
		| Glyceria grandis var. komarovii Kelso | Synonym |  | WCSP |  | 
	
		| Glyceria grandis f. pallescens Fernald | Synonym |  | WCSP |  | 
	
		| Glyceria gussonii (Parl.) Nyman | Synonym |  | WCSP |  | 
	
		| Glyceria holubii Tzvelev | Unresolved |  | TRO |  | 
	
		| Glyceria hulteniana Á.Löve | Synonym |  | WCSP |  | 
	
		| Glyceria humilis (M.Bieb.) Heynh. | Synonym |  | WCSP |  | 
	
		| Glyceria hybrida F.Towns. [Invalid] | Unresolved |  | WCSP |  | 
	
		| Glyceria infirma Ohwi | Synonym |  | WCSP |  | 
	
		| Glyceria insularis C.E.Hubb. | Accepted |  | WCSP |  | 
	
		| Glyceria integra Dumort. | Synonym |  | WCSP |  | 
	
		| Glyceria intermedia C.Klinggr. | Synonym |  | WCSP |  | 
	
		| Glyceria intersita Hausskn. | Unresolved |  | WCSP |  | 
	
		| Glyceria intricata Crép. | Synonym |  | WCSP |  | 
	
		| Glyceria ischyroneura Steud. | Accepted |  | WCSP |  | 
	
		| Glyceria × jansenii P.Fourn. | Accepted |  | WCSP |  | 
	
		| Glyceria japonica (Steud.) Miq. | Synonym |  | WCSP |  | 
	
		| Glyceria kamtschatica Kom. | Synonym |  | WCSP |  | 
	
		| Glyceria karafutensis Ohwi [Invalid] | Synonym |  | WCSP |  | 
	
		| Glyceria kashmiriensis Kelso | Synonym |  | WCSP |  | 
	
		| Glyceria kjellmanii Lange | Synonym |  | TRO |  | 
	
		| Glyceria kjellmannii Lange ex Kjellm. & Lundstr. | Synonym |  | WCSP |  | 
	
		| Glyceria langeana Berl. | Synonym |  | WCSP |  | 
	
		| Glyceria latifolia J.S.Cotton | Synonym |  | WCSP |  | 
	
		| Glyceria latispicea (F.Muell.) F.Muell. | Accepted |  | WCSP |  | 
	
		| Glyceria latispicea (F. Muell.) F. Muell. ex Benth. | Synonym |  | TRO |  | 
	
		| Glyceria × laxa Scribn. | Accepted |  | WCSP |  | 
	
		| Glyceria laxa (Scribn.) Scribn. ex E.L.Rand & Redfield | Synonym |  | WCSP |  | 
	
		| Glyceria lazistanica Holub ex Tzvelev | Unresolved |  | TRO |  | 
	
		| Glyceria lemmonii (Vasey) Vasey | Synonym |  | WCSP |  | 
	
		| Glyceria leptolepis Ohwi | Accepted |  | WCSP |  | 
	
		| Glyceria leptolepis var. formosensis (Ohwi) Ohwi | Synonym |  | TRO |  | 
	
		| Glyceria leptophylla Steud. | Synonym |  | WCSP |  | 
	
		| Glyceria leptorhiza (Maxim.) Kom. | Accepted |  | WCSP |  | 
	
		| Glyceria leptorhiza subsp. infirma (Ohwi) T.Koyama | Synonym |  | WCSP |  | 
	
		| Glyceria leptorrhiza subsp. depauperata (Ohwi) T.Koyama | Synonym |  | WCSP |  | 
	
		| Glyceria leptostachya Buckley | Accepted |  | WCSP |  | 
	
		| Glyceria leptostachys Speg. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria lithuanica (Gorski) Gorski | Accepted |  | WCSP |  | 
	
		| Glyceria lithuanica subsp. orientalis (Kom.) Kuvaev | Synonym |  | WCSP |  | 
	
		| Glyceria lolicacea (Huds.) Godr. | Synonym |  | WCSP |  | 
	
		| Glyceria longiglumis Hand.-Mazz. | Synonym |  | WCSP |  | 
	
		| Glyceria magellanica (Hook.f.) Benth. | Synonym |  | WCSP |  | 
	
		| Glyceria maritima (Huds.) Wahlenb. | Synonym |  | WCSP |  | 
	
		| Glyceria maritima Roep. ex Nyman [Invalid] | Synonym |  | WCSP |  | 
	
		| Glyceria maritima var. arctica (Hook.) Kurtz | Synonym |  | WCSP |  | 
	
		| Glyceria maritima f. kattegatensis Neum. | Synonym |  | TRO |  | 
	
		| Glyceria maritima var. palustris (Seenus) Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria maritima var. virescens Lange | Synonym |  | WCSP |  | 
	
		| Glyceria maxima (Hartm.) Holmb. | Accepted |  | WCSP |  | 
	
		| Glyceria maxima f. acuta (Peterm.) Soó | Synonym |  | WCSP |  | 
	
		| Glyceria maxima var. americana (Torr.) B.Boivin | Synonym |  | WCSP |  | 
	
		| Glyceria maxima subsp. arundinacea (Kunth) Hayek | Synonym |  | TRO |  | 
	
		| Glyceria maxima subsp. grandis (Gray) Hultén | Synonym |  | WCSP |  | 
	
		| Glyceria maxima var. grandis (Gray) Breitung | Synonym |  | WCSP |  | 
	
		| Glyceria maxima subsp. micrantha H.Scholz | Synonym |  | WCSP |  | 
	
		| Glyceria maxima f. pallescens (Fernald) B.Boivin | Synonym |  | WCSP |  | 
	
		| Glyceria maxima f. scabra (Peterm.) Soó | Synonym |  | WCSP |  | 
	
		| Glyceria maxima subsp. triflora (Korsh.) Hultén | Synonym |  | WCSP |  | 
	
		| Glyceria melicaria (Michx.) F.T.Hubb. | Accepted |  | WCSP |  | 
	
		| Glyceria mexicana (Kelso) Beetle | Synonym |  | WCSP |  | 
	
		| Glyceria michauxii Kunth | Synonym |  | WCSP |  | 
	
		| Glyceria micrantha Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria microtheca Buckley | Synonym |  | WCSP |  | 
	
		| Glyceria minuta (Poir.) Steud. [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Glyceria minutula Husn. [Invalid] | Synonym |  | WCSP |  | 
	
		| Glyceria montana Buckley | Synonym |  | WCSP |  | 
	
		| Glyceria multiflora Steud. | Accepted |  | WCSP |  | 
	
		| Glyceria natans Kom. | Synonym |  | WCSP |  | 
	
		| Glyceria neesii Steud. | Synonym |  | WCSP |  | 
	
		| Glyceria nemoralis (R.Uechtr.) R.Uechtr. & Koern. | Accepted |  | WCSP |  | 
	
		| Glyceria neogaea Steud. | Synonym |  | WCSP |  | 
	
		| Glyceria nervata (Willd.) Trin. | Synonym |  | WCSP |  | 
	
		| Glyceria nervata var. elata (Nash) J.K.Henry | Synonym |  | WCSP |  | 
	
		| Glyceria nervata var. rigida (Nash) Lunell | Synonym |  | WCSP |  | 
	
		| Glyceria nervata f. stricta (Scribn.) House | Synonym |  | WCSP |  | 
	
		| Glyceria nervata var. stricta (Scribn.) Hitchc. | Synonym |  | WCSP |  | 
	
		| Glyceria norvegica Sommer. | Synonym |  | WCSP |  | 
	
		| Glyceria notata Chevall. | Accepted |  | WCSP |  | 
	
		| Glyceria notata subsp. declinata (Bréb.) Weeda | Synonym |  | WCSP |  | 
	
		| Glyceria novae-zealandiae Petrie | Synonym |  | WCSP |  | 
	
		| Glyceria nubigena W.A.Anderson | Accepted |  | WCSP |  | 
	
		| Glyceria nutkaensis (J.Presl) Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria obtusa (Muhl.) Trin. | Accepted |  | WCSP |  | 
	
		| Glyceria occidentalis (Piper) J.C.Nelson | Accepted |  | WCSP |  | 
	
		| Glyceria ochroleuca (Dumort.) Guss. | Synonym |  | WCSP |  | 
	
		| Glyceria orientalis Kom. | Synonym |  | WCSP |  | 
	
		| Glyceria × orientalis Kom. | Unresolved |  | TRO |  | 
	
		| Glyceria otisii Hitchc. | Synonym |  | WCSP |  | 
	
		| Glyceria × ottawensis Bowden | Synonym |  | WCSP |  | 
	
		| Glyceria ovatiflora Keng ex Keng f. | Accepted |  | WCSP |  | 
	
		| Glyceria pallida (Torr.) Trin. | Synonym |  | WCSP |  | 
	
		| Glyceria pallida var. fernaldii Hitchc. | Synonym |  | WCSP |  | 
	
		| Glyceria pallida var. pallida | Synonym |  | TRO |  | 
	
		| Glyceria paludificans Kom. | Synonym |  | WCSP |  | 
	
		| Glyceria palustris (Seenus) Lange | Synonym |  | WCSP |  | 
	
		| Glyceria parlatorei Bég. | Synonym |  | WCSP |  | 
	
		| Glyceria pauciflora J.Presl | Synonym |  | WCSP |  | 
	
		| Glyceria paupercula Holm | Synonym |  | WCSP |  | 
	
		| Glyceria × pedicellata F.Towns. | Accepted |  | WCSP |  | 
	
		| Glyceria pendulina Laestad. ex Wahlenb. | Synonym |  | WCSP |  | 
	
		| Glyceria pensylvanica (Spreng.) Heynh. | Synonym |  | WCSP |  | 
	
		| Glyceria permixta Guss. | Synonym |  | WCSP |  | 
	
		| Glyceria phryganodes (Trin.) Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria pilosa Steud. | Synonym |  | WCSP |  | 
	
		| Glyceria plicata (Fr.) Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria plicata subsp. declinata (Bréb.) Weeda | Synonym |  | WCSP |  | 
	
		| Glyceria plicata var. declinata (Bréb.) Druce | Synonym |  | WCSP |  | 
	
		| Glyceria plicata var. nemoralis R.Uechtr. | Synonym |  | WCSP |  | 
	
		| Glyceria plicata var. nemoralis Uechtr. | Synonym |  | TRO |  | 
	
		| Glyceria plicata var. scabriflora Hack. | Synonym |  | WCSP |  | 
	
		| Glyceria plicata subsp. spicata (Guss.) Lange | Synonym |  | WCSP |  | 
	
		| Glyceria plicata var. spicata (Guss.) Lange | Synonym |  | TRO |  | 
	
		| Glyceria plicata var. triticea Lange | Synonym |  | WCSP |  | 
	
		| Glyceria poaeoides Stapf | Synonym |  | TRO |  | 
	
		| Glyceria poioides Stapf ex Hook.f. | Synonym |  | WCSP |  | 
	
		| Glyceria potaninii Tzvelev | Unresolved |  | TRO |  | 
	
		| Glyceria probatovae Tzvelev | Unresolved |  | TRO |  | 
	
		| Glyceria procumbens (Curtis) Dumort. | Synonym |  | WCSP |  | 
	
		| Glyceria pseudodistans Crép. | Synonym |  | WCSP |  | 
	
		| Glyceria pulchella (Nash) K.Schum. | Accepted |  | WCSP |  | 
	
		| Glyceria pumila Macoun ex Vasey | Synonym |  | WCSP |  | 
	
		| Glyceria pungens Pau | Synonym |  | WCSP |  | 
	
		| Glyceria ramigera (F.Muell.) Benth. | Synonym |  | WCSP |  | 
	
		| Glyceria remota (Forselles) Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria remota var. japonica Hack. | Synonym |  | WCSP |  | 
	
		| Glyceria repanda Nutt. | Synonym |  | WCSP |  | 
	
		| Glyceria reptans (Laest.) Krok | Synonym |  | WCSP |  | 
	
		| Glyceria retinosa Velen. ex Nyman [Invalid] | Synonym |  | WCSP |  | 
	
		| Glyceria retroflexa (Curtis) C.E.Salmon | Synonym |  | WCSP |  | 
	
		| Glyceria rigida (L.) Sm. | Synonym |  | WCSP |  | 
	
		| Glyceria rigida (Nash) Rydb. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria rivularis Jacquem. ex Hook.f. [Invalid] | Synonym |  | WCSP |  | 
	
		| Glyceria salina Zabel | Unresolved |  | TRO |  | 
	
		| Glyceria salinaria (Simonk.) Grecescu | Synonym |  | WCSP |  | 
	
		| Glyceria saltensis Sulekic & Rúgolo | Accepted |  | WCSP |  | 
	
		| Glyceria scaberrima Nees ex Steud. | Synonym |  | WCSP |  | 
	
		| Glyceria septentrionalis Hitchc. | Accepted |  | WCSP |  | 
	
		| Glyceria septentrionalis var. arkansana (Fernald) Steyerm. & C.L.Kucera | Synonym |  | WCSP |  | 
	
		| Glyceria septentrionalis var. septentrionalis | Synonym |  | TRO |  | 
	
		| Glyceria songarica Schrenk | Synonym |  | WCSP |  | 
	
		| Glyceria spectabilis Mert. & W.D.J.Koch | Synonym |  | WCSP |  | 
	
		| Glyceria spectabilis f. acuta Peterm. | Synonym |  | WCSP |  | 
	
		| Glyceria sphenopus Steud. | Synonym |  | WCSP |  | 
	
		| Glyceria spicata Guss. | Accepted |  | WCSP |  | 
	
		| Glyceria spiculosa (J.A.Schmidt) Roshev. ex B.Fedtsch. | Accepted |  | WCSP |  | 
	
		| Glyceria spiculosa var. coreana Ohwi | Synonym |  | WCSP |  | 
	
		| Glyceria stenantha var. vivipara L.M.Turner | Synonym |  | WCSP |  | 
	
		| Glyceria striata (Lam.) Hitchc. | Accepted |  | WCSP |  | 
	
		| Glyceria striata var. mexicana Kelso | Synonym |  | WCSP |  | 
	
		| Glyceria striata var. striata | Synonym |  | TRO |  | 
	
		| Glyceria striata f. stricta (Scribn.) B.Boivin | Synonym |  | WCSP |  | 
	
		| Glyceria striata subsp. stricta (Scribn.) Hultén | Synonym |  | WCSP |  | 
	
		| Glyceria striata var. stricta (Scribn.) Fernald | Synonym |  | WCSP |  | 
	
		| Glyceria stricta Hook.f. | Synonym |  | WCSP |  | 
	
		| Glyceria stricta Buckley [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria subfastigiata (Trin.) Griseb. | Synonym |  | WCSP |  | 
	
		| Glyceria subspicata Regel | Synonym |  | WCSP |  | 
	
		| Glyceria taurica Steud. | Unresolved |  | TRO |  | 
	
		| Glyceria tenella Lange ex Kjellm. | Synonym |  | WCSP |  | 
	
		| Glyceria tenuiflora (Griseb.) Steud. | Synonym |  | WCSP |  | 
	
		| Glyceria tenuifolia Boiss. & Reut. | Synonym |  | WCSP |  | 
	
		| Glyceria tenuifolia (J.Presl) Steud. [Illegitimate] | Synonym |  | WCSP |  | 
	
		| Glyceria tenuispica Steud. | Synonym |  | WCSP |  | 
	
		| Glyceria texana Tzvelev | Synonym |  | TRO |  | 
	
		| Glyceria thomsonii Stapf ex Hook.f. | Synonym |  | WCSP |  | 
	
		| Glyceria × tokitana Masamura [Unplaced] | Unresolved |  | WCSP |  | 
	
		| Glyceria tonglensis C.B.Clarke | Accepted |  | WCSP |  | 
	
		| Glyceria tonglensis var. honshuana Kelso | Synonym |  | WCSP |  | 
	
		| Glyceria torreyana (Spreng.) Hitchc. | Synonym |  | WCSP |  | 
	
		| Glyceria transsilvanica Schur [Invalid] | Synonym |  | WCSP |  | 
	
		| Glyceria triflora Nutt. | Synonym |  | WCSP (in review) |  | 
	
		| Glyceria triflora (Korsh.) Kom. | Synonym |  | WCSP |  | 
	
		| Glyceria triflora var. effusa (Kitag.) Z.L.Wu | Synonym |  | WCSP |  | 
	
		| Glyceria turcomanica Kom. | Synonym |  | WCSP |  | 
	
		| Glyceria ussuriensis Kom. | Synonym |  | WCSP |  | 
	
		| Glyceria vaginata Lange | Synonym |  | WCSP |  | 
	
		| Glyceria vaginata var. contracta Lange | Synonym |  | WCSP |  | 
	
		| Glyceria vaginata f. contracta Lange | Synonym |  | TRO |  | 
	
		| Glyceria vaginata var. effusa Rosenv. | Synonym |  | WCSP |  | 
	
		| Glyceria vahliana (Liebm.) Th.Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria vilfoidea (Andersson) Th.Fr. | Synonym |  | WCSP |  | 
	
		| Glyceria viridis Honda | Synonym |  | WCSP |  | 
	
		| Glyceria viridula (Poir.) Heynh. | Synonym |  | WCSP |  | 
	
		| Glyceria voroschilovii Tzvelev | Unresolved |  | TRO |  |