The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

You should refer instead to the current version of The Plant List.

Results

1683 plant name records match your search criteria Polygonum. The results are below.

The results can also be downloaded as a CSV file.

See "Status", "Confidence level", "Source" for definitions.

Name Status Confi­dence level Source
Polygonum abbreviatum Kom. Accepted M TRO
Polygonum aboriginum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum abscissum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum abyssinicum A.Rich. Unresolved L WCSP (in review)
Polygonum acadiense Fernald Synonym M TRO
Polygonum acanthophyllum Lindau Synonym M TRO
Polygonum acaule Hook. f. Synonym L TRO
Polygonum acaule Boiss. Synonym M TRO
Polygonum acerosum Ledeb. ex Meisn. Accepted M TRO
Polygonum acetosaefolium Vent. Synonym M TRO
Polygonum acetosellum Klokov [Invalid] Synonym M WCSP (in review)
Polygonum acetosum M.Bieb. Accepted M WCSP (in review)
Polygonum achoreum S.F. Blake Accepted M TRO
Polygonum acidulum Willd. Synonym M TRO
Polygonum acidum Willd. ex Meisn. Unresolved L WCSP (in review)
Polygonum acidum Pall. Unresolved L WCSP (in review)
Polygonum acre Kunth [Illegitimate] Synonym L WCSP (in review)
Polygonum acre Lam. Synonym L TRO
Polygonum acre var. aquatile Meisner in Martius Synonym L TRO
Polygonum acre var. brachystachyum Meisn. Synonym L TRO
Polygonum acre var. confertiflorum Meisn. Synonym L TRO
Polygonum acre var. leptostachyum Meisn. Synonym L TRO
Polygonum acre var. majus Meisn. Synonym L TRO
Polygonum acre var. riparium Meisn. Synonym L TRO
Polygonum acuminatum Kunth Synonym M WCSP (in review)
Polygonum acuminatum var. brachystemon Meisn. Synonym L TRO
Polygonum acuminatum var. capense Meisn. Synonym L TRO
Polygonum acuminatum var. glabrescens Meisn. Synonym L TRO
Polygonum acuminatum var. humboldtii Meisn. Synonym L TRO
Polygonum acuminatum var. microstemon Meisn. Synonym L TRO
Polygonum acuminatum var. setigerum Meisn. Synonym L TRO
Polygonum acuminatum var. subcordatum Meisn. Synonym L TRO
Polygonum acuminatum var. weddellii Meisn. Synonym L TRO
Polygonum acutatum Lehm. Synonym M WCSP (in review)
Polygonum acutifolium Schur Unresolved L WCSP (in review)
Polygonum adenophorum Spreng. Unresolved L WCSP (in review)
Polygonum adenophyllum Cham. & Schltdl. Unresolved L WCSP (in review)
Polygonum adenopodum Sam. Synonym M TRO
Polygonum adenotrichum Griff. Unresolved L WCSP (in review)
Polygonum adoense Gand. Unresolved L WCSP (in review)
Polygonum adpressum R.Br. Unresolved L WCSP (in review)
Polygonum adpressum Labill. Unresolved L WCSP (in review)
Polygonum aequale Lindm. Synonym M WCSP (in review)
Polygonum aequale subsp. oedocarpum Lindm. Synonym L TRO
Polygonum aestivum (Ohki) Makino Unresolved L WCSP (in review)
Polygonum affine D. Don Accepted M TRO
Polygonum afghanicum Meisn. Unresolved L WCSP (in review)
Polygonum afromontanum Greenway Unresolved L WCSP (in review)
Polygonum afyonicum Leblebici & Gemici Unresolved L WCSP (in review)
Polygonum agreste SUMNER Synonym M TRO
Polygonum agrestinum Jord. ex Boreau Synonym M TRO
Polygonum ajanense (Regel & Tiling) Grig. Accepted M TRO
Polygonum akakiense Cufod. Unresolved L WCSP (in review)
Polygonum alaskanum (Small) W. Wight ex Hultén Synonym M TRO
Polygonum alaskanum var. glabrescens Hultén Synonym L TRO
Polygonum alaskanum subsp. hultenianum Jurtzev Synonym L TRO
Polygonum alatum Buch.-Ham. ex D. Don Synonym M TRO
Polygonum alatum var. nepalense (Meisn.) Hook. f. Synonym L TRO
Polygonum albanicum Jáv. Accepted M WCSP (in review)
Polygonum aleppicum Boiss. & Hausskn. Unresolved L WCSP (in review)
Polygonum alfredi Pilg. Synonym M TRO
Polygonum alismaefolium Fedde Unresolved L TRO
Polygonum allocarpum S.F. Blake Synonym M TRO
Polygonum alopecuroides Turcz. ex Meissn. Unresolved L TRO
Polygonum alopecuroides Turcz. ex Besser Accepted M TRO
Polygonum alopecuroides var. attenuatum Serg. Synonym L TRO
Polygonum alopecuroides f. pilosum C.F. Fang Synonym L TRO
Polygonum alpestre C.A.Mey. Synonym M WCSP (in review)
Polygonum alpinum All. Synonym M WCSP (in review)
Polygonum alpinum subsp. alaskanum (Small) S.L. Welsh Synonym L TRO
Polygonum alpinum var. alaskanum Small Synonym L TRO
Polygonum alpinum var. angustissimum Turcz. Synonym L TRO
Polygonum alpinum var. foliosum (R. Keller) Small Unresolved L TRO
Polygonum alpinum var. lapathifolium Cham. & Schltdl. Synonym L TRO
Polygonum alpinum var. sinicum Dammer ex Diels Synonym L TRO
Polygonum altissimum Moench Unresolved L WCSP (in review)
Polygonum ambiguum Meisn. Synonym M TRO
Polygonum amblyophyllum (H.Hara) Kitam. Unresolved L WCSP (in review)
Polygonum amboanum Fedde Unresolved L WCSP (in review)
Polygonum amgense Michaleva & Perf. Accepted M TRO
Polygonum ammanioides Jaub. & Spach Synonym M TRO
Polygonum ammannoides Jaub. & Spach Unresolved L WCSP (in review)
Polygonum ammophilum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum amoenum Blume Synonym M TRO
Polygonum amphibium L. Synonym M WCSP (in review)
Polygonum amphibium subsp. amurense Hultén Synonym L TRO
Polygonum amphibium var. amurense Korsh. Synonym L TRO
Polygonum amphibium var. emersum Michx. Synonym L TRO
Polygonum amphibium f. fluitans (Eaton) Fernald Synonym L TRO
Polygonum amphibium var. hartwrightii (A. Gray) Bissell Synonym L TRO
Polygonum amphibium f. hartwrightii (A. Gray) S.F. Blake Synonym L TRO
Polygonum amphibium f. hirtuosum Farw. Synonym L TRO
Polygonum amphibium subsp. laevimarginatum Hultén Synonym L TRO
Polygonum amphibium var. muehlenbergii Meisn. Synonym L TRO
Polygonum amphibium var. natans Michx. Synonym L TRO
Polygonum amphibium f. natans (Moench) Stanford Unresolved L TRO
Polygonum amphibium var. natans Moench Synonym L TRO
Polygonum amphibium var. natans Leyss. Synonym L TRO
Polygonum amphibium var. stipulaceum N. Coleman Synonym L TRO
Polygonum amphibium f. terrestre (Leers) S.F. Blake Unresolved L TRO
Polygonum amphibium var. terrestre Leers Synonym L TRO
Polygonum amphibium var. terrestre Leyss. Synonym L TRO
Polygonum amphibium var. vestitum Hemsl. Synonym L TRO
Polygonum amplexicaule D.Don Synonym M WCSP (in review)
Polygonum amplexicaule var. amplexicaule Unresolved L TRO
Polygonum amplexicaule var. speciosum (Meisn.) Hook. f. Synonym L TRO
Polygonum ampliusculum Gand. Unresolved L WCSP (in review)
Polygonum amurense Vorosch. Accepted M TRO
Polygonum amurense Nieuwl. Synonym M TRO
Polygonum anacampseros L. Unresolved L TRO
Polygonum andrzejowskianum Klokov Synonym M WCSP (in review)
Polygonum anguillanum Koidz. Unresolved L WCSP (in review)
Polygonum angustifolium Pall. Accepted M TRO
Polygonum angustifolium var. songaricum (Schrenk) Steward Synonym L TRO
Polygonum angustissimum F.Muell. Unresolved L WCSP (in review)
Polygonum anomalum Bruyn Unresolved L WCSP (in review)
Polygonum antihaemorrhoidale Mart. Unresolved L WCSP (in review)
Polygonum antihaemorrhoidale var. aquatile Mart. Synonym L TRO
Polygonum antihaemorrhoidale f. aquatile Mart. Synonym L TRO
Polygonum antihaemorrhoidale f. riparium Mart. Synonym L TRO
Polygonum antihaemorrhoidale var. riparium Mart. Synonym L TRO
Polygonum aphyllum Krock. Synonym M TRO
Polygonum apoense Elmer Unresolved L WCSP (in review)
Polygonum appressum Steud. Unresolved L WCSP (in review)
Polygonum aquaticum A.Gray ex Meisn. Unresolved L WCSP (in review)
Polygonum arachnoideum Klotzsch ex Hook.f. Unresolved L WCSP (in review)
Polygonum arachnoideum Klotzsch ex Meisn. Unresolved L WCSP (in review)
Polygonum araraticum Kom. Synonym M TRO
Polygonum arborescens Vell. Unresolved L WCSP (in review)
Polygonum arcticum Pall. ex Spreng. Synonym M TRO
Polygonum arcuatum Greene Synonym M TRO
Polygonum arenarium Waldst. & Kit. Accepted M WCSP (in review)
Polygonum arenarium subsp. janatae Soó Synonym L TRO
Polygonum arenarium subsp. pseudoarenarium Soó Synonym L TRO
Polygonum arenarium subsp. pulchellum (Loisel.) Thell. Accepted L WCSP (in review)
Polygonum arenarium subsp. pulchellum D. A. Webb & Chater Synonym L TRO
Polygonum arenastrum Boreau Accepted M WCSP (in review)
Polygonum arenastrum subsp. boreale (Lange) Á.Löve Synonym L WCSP (in review)
Polygonum arenastrum subsp. calcatum (Lindm.) Wissk. Synonym L WCSP (in review)
Polygonum arenastrum subsp. microspermum (Jord. ex Boreau) H.Scholz Synonym L WCSP (in review)
Polygonum arenicola Suksd. Unresolved L WCSP (in review)
Polygonum argenteum Skvortsov Synonym M TRO
Polygonum argenteum Ehrenb. ex Meisn. Synonym M TRO
Polygonum argyrocoleon Steud. ex Kunze Accepted M TRO
Polygonum arianum Grig. Unresolved L WCSP (in review)
Polygonum aridum Boiss. & Hausskn. Unresolved L WCSP (in review)
Polygonum arifolium L. Synonym M TRO
Polygonum arifolium Thunb. Synonym M TRO
Polygonum arifolium var. lentiforme Fernald & Griscom Synonym L TRO
Polygonum arifolium var. perfoliatum L. Synonym L TRO
Polygonum arifolium var. pubescens (R.Keller) Fernald Unresolved L WCSP (in review)
Polygonum articulatum L. Synonym M TRO
Polygonum arussense Chiov. Unresolved L WCSP (in review)
Polygonum aschersonianum H.Gross Synonym M WCSP (in review)
Polygonum asclepiadeum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum asiaticum B.D.Jacks. Unresolved L WCSP (in review)
Polygonum asperulum Zapal. Unresolved L WCSP (in review)
Polygonum asperulum Wall. Unresolved L WCSP (in review)
Polygonum assamicum Meisn. Accepted M TRO
Polygonum atlanticum (B.L. Rob.) E.P. Bicknell Synonym M TRO
Polygonum atraphaxiforme Botsch. Unresolved L WCSP (in review)
Polygonum atraphaxis Thunb. Synonym M TRO
Polygonum atraphaxoides Thunb. Synonym M TRO
Polygonum atriplicifolium Wall. Unresolved L WCSP (in review)
Polygonum attenuatum R. Br. Synonym M TRO
Polygonum attenuatum Petrov ex Kom. Synonym M TRO
Polygonum aubertii L.Henry Synonym M WCSP (in review)
Polygonum auriculatum Makino Synonym M TRO
Polygonum austiniae Greene Synonym M WCSP (in review)
Polygonum australe Thiéb.-Bern. ex Pers. Unresolved L WCSP (in review)
Polygonum australe A.Rich. Unresolved L WCSP (in review)
Polygonum australe Spreng. Unresolved L WCSP (in review)
Polygonum autumnale Brenckle Synonym M TRO
Polygonum aviculare L. Accepted M WCSP (in review)
Polygonum aviculare subsp. aequale (Lindm.) Asch. & Graebn. Synonym L WCSP (in review)
Polygonum aviculare var. angustissimum Meisn. Synonym L WCSP (in review)
Polygonum aviculare var. aviculare Unresolved L TRO
Polygonum aviculare subsp. aviculare Accepted L TRO
Polygonum aviculare subsp. boreale (Lange) Karlsson Synonym L WCSP (in review)
Polygonum aviculare var. boreale Lange Synonym L WCSP (in review)
Polygonum aviculare subsp. buxiforme (Small) Costea & Tardif Accepted L TRO
Polygonum aviculare subsp. calcatum (Lindm.) Thell. Synonym L WCSP (in review)
Polygonum aviculare var. calcatum Hyl. Synonym L TRO
Polygonum aviculare subsp. depressum (Meisn.) Arcang. Accepted L TRO
Polygonum aviculare var. depressum Meisn. Synonym L TRO
Polygonum aviculare var. eximium Asch. & Graebn. Synonym L TRO
Polygonum aviculare var. fusco-ochreatum (Kom.) A.J. Li Accepted L TRO
Polygonum aviculare subsp. heterophyllum (Lindm.) Asch. & Graebn. Synonym L TRO
Polygonum aviculare var. heterophyllum (Lindm.) Munshi & Javeid Synonym L TRO
Polygonum aviculare subsp. microspermum (Jord. ex Boreau) Berher Synonym L TRO
Polygonum aviculare var. minutiflorum Franch. Synonym L TRO
Polygonum aviculare subsp. monspeliense (Thiéb.-Bern. ex Pers.) Arcang. Synonym L TRO
Polygonum aviculare var. montevidense Cham. & Schltdl. Synonym L TRO
Polygonum aviculare var. neglectum (Besser) Rchb. Synonym L WCSP (in review)
Polygonum aviculare subsp. neglectum (Besser) Arcang. Synonym L WCSP (in review)
Polygonum aviculare subsp. pulchellum (Loisel.) O.Bolòs & Vigo Synonym L WCSP (in review)
Polygonum aviculare subsp. rectum Chrtek Synonym L TRO
Polygonum aviculare subsp. robertii (Loisel.) O.Bolòs & Vigo Synonym L WCSP (in review)
Polygonum aviculare subsp. rurivagum (Jord. ex Boreau) O.Bolòs & Vigo Synonym L WCSP (in review)
Polygonum aviculare subsp. rurivagum (Jord. ex Boreau) Berher Synonym L TRO
Polygonum aviculare var. vegetum Ledeb. Synonym L TRO
Polygonum aviculare var. virgatum Peterm. Synonym L TRO
Polygonum axillaris Hook.f. Unresolved L WCSP (in review)
Polygonum azoricum H.C.Watson ex Meisn. Unresolved L WCSP (in review)
Polygonum babingtonii Hance Synonym L TRO
Polygonum baccatum Sol. ex Meisn. Unresolved L WCSP (in review)
Polygonum bacciferum Bojer Unresolved L WCSP (in review)
Polygonum baicalense Sipliv. Accepted M TRO
Polygonum balansae Boiss. Unresolved L WCSP (in review)
Polygonum balansae subsp. rhizoxylon (Pau & Font Quer) Greuter Unresolved L WCSP (in review)
Polygonum baldschuanicum Regel Synonym M WCSP (in review)
Polygonum baltistanicum Chaudhri Unresolved L WCSP (in review)
Polygonum banca Ham. ex Hook.f. Unresolved L WCSP (in review)
Polygonum banka Buch.-Ham. ex Wall. Unresolved L WCSP (in review)
Polygonum barbatum L. Synonym M TRO
Polygonum barbatum Walter Synonym L TRO
Polygonum barbatum var. gracile (Danser) Steward Synonym L TRO
Polygonum barbatum subsp. gracile Danser Synonym L TRO
Polygonum barbatum var. stagninum (Buch.-Ham. ex Meisn.) Steward Synonym L TRO
Polygonum bargusinense Peshkova Accepted M TRO
Polygonum battandieri (Maire & Sennen) Maire & Sennen ex Vindt Unresolved L WCSP (in review)
Polygonum baumgartenianum Schur Unresolved L WCSP (in review)
Polygonum bellardii All. Accepted M WCSP (in review)
Polygonum bellardii var. gracilius Ledeb. Synonym L TRO
Polygonum bellardii var. patulum (M. Bieb.) Meisn. Synonym L TRO
Polygonum belophyllum Litv. Synonym M TRO
Polygonum benguetense Merr. Unresolved L WCSP (in review)
Polygonum bernardinum Greene Unresolved L WCSP (in review)
Polygonum berteroi Phil. Synonym M TRO
Polygonum bertolonii Goiran & Tonini Unresolved L WCSP (in review)
Polygonum betpakdalense Bajtenov Unresolved L WCSP (in review)
Polygonum bettfreundianum Lind. Synonym M TRO
Polygonum beyrichianum Cham. & Schltdl. Synonym M TRO
Polygonum biaristatum Aitch. & Hemsl. Unresolved L WCSP (in review)
Polygonum × bicolor Borbás Unresolved L WCSP (in review)
Polygonum biconvexum Hayata Accepted M TRO
Polygonum bicorne Raf. Synonym M TRO
Polygonum bidwelliae S.Watson Unresolved L WCSP (in review)
Polygonum biforme Wahlenb. Synonym M TRO
Polygonum binsarii Silas & R.D.Gaur Synonym L WCSP (in review)
Polygonum bioritauense Ohki Unresolved L WCSP (in review)
Polygonum birmanicum Gage Synonym M TRO
Polygonum biscaticlium Buch.-Ham. ex Meisn. Unresolved L WCSP (in review)
Polygonum biscatilium Wall. Unresolved L WCSP (in review)
Polygonum bisculatium Ham. ex Hook.f. Unresolved L WCSP (in review)
Polygonum bishirae Buch.-Ham. ex Meisn. Unresolved L WCSP (in review)
Polygonum bishirae Buch.-Ham. ex Hook.f. Unresolved L WCSP (in review)
Polygonum bistorta L. Synonym M WCSP (in review)
Polygonum bistorta subsp. carneum Coode & Cullen Synonym L TRO
Polygonum bistorta subsp. cordifolium Malyschev Synonym L TRO
Polygonum bistorta var. cordifolium Turcz. Synonym L TRO
Polygonum bistorta subsp. ellipticum (Willd. ex Spreng.) Petrovsky Synonym L TRO
Polygonum bistorta var. ellipticum (Willd. ex Spreng.) Turcz. Synonym L TRO
Polygonum bistorta var. linearifolium S. Watson Synonym L TRO
Polygonum bistorta var. nitens Fisch. & C.A. Mey. Synonym L TRO
Polygonum bistorta var. oblongifolium Meisn. Synonym L TRO
Polygonum bistorta subsp. ochotense (Petrov ex Kom.) Vorosch. Synonym L TRO
Polygonum bistorta subsp. pacificum (Petrov ex Kom.) Vorosch. Synonym L TRO
Polygonum bistorta subsp. plumosum (Small) Hultén Synonym L TRO
Polygonum bistorta var. plumosum (Small) B. Boivin Synonym L TRO
Polygonum bistortoides Pursh Synonym L TRO
Polygonum bistortoides Boiss. Synonym M TRO
Polygonum bistortoides var. linearifolium (S. Watson) Small Synonym L TRO
Polygonum bistortoides var. oblongifolium (Meisn.) H. St. John Synonym L TRO
Polygonum blancheanum Gand. Unresolved L WCSP (in review)
Polygonum blumei Meisn. ex Miq. Synonym M TRO
Polygonum bocconei DC. ex Meisn. Unresolved L WCSP (in review)
Polygonum bodinieri H. Lév. & Vaniot Synonym M TRO
Polygonum × bogoriense Danser Unresolved L WCSP (in review)
Polygonum × bohemicum (Chrtek & Chrtková) Zika & Jacobson Synonym M WCSP (in review)
Polygonum bolanderi W.H. Brewer Accepted M TRO
Polygonum bonaerense Speg. Synonym M TRO
Polygonum bonatii H. Lév. Synonym M TRO
Polygonum bordzilowskii Klokov Synonym M WCSP (in review)
Polygonum boreale (Lange) Small Accepted M WCSP (in review)
Polygonum borgoicum Tupitz. Unresolved L WCSP (in review)
Polygonum bornmuelleri Litv. Accepted M TRO
Polygonum botuliforme Mozaff. Unresolved L WCSP (in review)
Polygonum bowenkampii Phil. Accepted M TRO
Polygonum brachiatum Poir. Synonym M TRO
Polygonum brachypodum Baker Synonym M TRO
Polygonum brachytrichum Ohwi Unresolved L WCSP (in review)
Polygonum bracteosum Phil. Unresolved L WCSP (in review)
Polygonum brasiliense K. Koch Accepted M TRO
Polygonum braunii Bluff & Fingerh. Unresolved L WCSP (in review)
Polygonum breviarticulatum Rech.f. Unresolved L WCSP (in review)
Polygonum breviochreatum Makino Unresolved L WCSP (in review)
Polygonum brevisetum Meisn. Unresolved L WCSP (in review)
Polygonum brittingeri Opiz Synonym M WCSP (in review)
Polygonum brittingeri Beck Accepted M TRO
Polygonum brunonis Wall. Synonym M TRO
Polygonum buchananii Dammer Synonym M WCSP (in review)
Polygonum bucharicum Grig. Synonym L TRO
Polygonum buisanense Ohki Synonym M TRO
Polygonum bulbiferum Royle ex Bab. Synonym L TRO
Polygonum bungeanum Turcz. Synonym M TRO
Polygonum bussei Peter Unresolved L WCSP (in review)
Polygonum buxifolium Nutt. ex Bong. Synonym M TRO
Polygonum buxiforme Small Synonym M TRO
Polygonum buxiforme var. montanum (Small) R.J. Davis Unresolved L TRO
Polygonum caballeroi Phil. Unresolved L WCSP (in review)
Polygonum caducifolium Vorosch. Accepted M TRO
Polygonum caespitosum var. longisetum (Bruijn) Danser Synonym L TRO
Polygonum caespitosum subsp. yokusaianum (Makino) Danser Synonym L TRO
Polygonum calcatum Lindm. Synonym M WCSP (in review)
Polygonum californicum Meisn. Accepted M TRO
Polygonum callmei Beck Unresolved L WCSP (in review)
Polygonum calophyllum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum calostachyum Diels Synonym M TRO
Polygonum campanulatum Hook.f. Synonym M WCSP (in review)
Polygonum campanulatum var. campanulatum Unresolved L TRO
Polygonum campanulatum var. fulvidum Hook. f. Unresolved L TRO
Polygonum campanulatum var. lichiangense (W.W. Sm.) Steward Synonym L TRO
Polygonum camporum Meisn. Synonym M TRO
Polygonum camporum var. australe Meisn. Synonym L TRO
Polygonum camptianum Meisn. Unresolved L WCSP (in review)
Polygonum camptostachys Gand. Unresolved L WCSP (in review)
Polygonum canadense (Greene) Fedde Unresolved L WCSP (in review)
Polygonum canescens Link ex Dethard. Unresolved L WCSP (in review)
Polygonum capitatum Buch.-Ham. ex D.Don Synonym M WCSP (in review)
Polygonum cappadocicum Boiss. & Balansa Unresolved L WCSP (in review)
Polygonum careyi Olney Accepted M WCSP (in review)
Polygonum carneum C. Koch Accepted M TRO
Polygonum carthusianorum Gand. Unresolved L WCSP (in review)
Polygonum cascadense W.H.Baker Unresolved L WCSP (in review)
Polygonum cashmirense H.Gross Unresolved L WCSP (in review)
Polygonum caspicum Kom. Unresolved L WCSP (in review)
Polygonum cathayanum A.J. Li Accepted M TRO
Polygonum caucanum Fassett Unresolved L WCSP (in review)
Polygonum caucasicum Hoffm. Unresolved L WCSP (in review)
Polygonum caudatum Sam. Synonym M TRO
Polygonum caurianum B.L. Rob. Synonym M TRO
Polygonum caurianum subsp. hudsonianum S.J. Wolf & McNeill Synonym L TRO
Polygonum cavaleriei H. Lév. Synonym M TRO
Polygonum cedrorum Boiss. & Kotschy Unresolved L WCSP (in review)
Polygonum celebicum Danser Unresolved L WCSP (in review)
Polygonum centinodum Lam. Synonym M TRO
Polygonum cephalophorum Greene Unresolved L WCSP (in review)
Polygonum cereale Salisb. Unresolved L WCSP (in review)
Polygonum cespitosum Blume Synonym M TRO
Polygonum cespitosum var. longisetum (Bruijn) Steward Synonym L TRO
Polygonum chamissoeanum Wedd. Synonym M TRO
Polygonum chamissonianum Steud. Unresolved L WCSP (in review)
Polygonum chanetii H. Lév. Synonym M TRO
Polygonum chaneyi B.Fedtsch. ex Steward Unresolved L WCSP (in review)
Polygonum changii Kitag. Synonym M TRO
Polygonum chelanicum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum chevrolatii Gand. Unresolved L WCSP (in review)
Polygonum chilense K. Koch Synonym M TRO
Polygonum chiloensis Rech. f. Unresolved L TRO
Polygonum chinense L. Synonym M TRO
Polygonum chinense var. chinense Unresolved L TRO
Polygonum chinense var. hispidum Hook. f. Unresolved L TRO
Polygonum chinense f. hispidum (Hook. f.) Sam. Synonym L TRO
Polygonum chinense var. malaicum (Danser) Steward Synonym L TRO
Polygonum chinense var. ovalifolium Meisn. Unresolved L TRO
Polygonum chinense var. paradoxum (H. Lév.) A.J. Li Unresolved L TRO
Polygonum chitralicum Rech. f. & Schiman-Czeika Synonym M TRO
Polygonum chlorochryseum M.M.Ivanova Unresolved L WCSP (in review)
Polygonum chlorocoleum Steud. ex Boiss. Unresolved L WCSP (in review)
Polygonum chrtekii Czerep. Accepted M TRO
Polygonum ciliatum Buch.-Ham. ex D.Don Unresolved L WCSP (in review)
Polygonum ciliatum Willd. ex Spreng. Unresolved L WCSP (in review)
Polygonum ciliatum Ehrenb. ex Meisn. Unresolved L WCSP (in review)
Polygonum ciliatum Lour. Unresolved L WCSP (in review)
Polygonum ciliinerve (Nakai) Ohwi Synonym M TRO
Polygonum cilinode Michx. Synonym M TRO
Polygonum cilinode f. erectum (Peck) Fernald Synonym L TRO
Polygonum cilinode var. erectum Peck Synonym L TRO
Polygonum cilinode var. laevigatum Fernald Synonym L TRO
Polygonum ciliosum Meisn. Unresolved L WCSP (in review)
Polygonum cirrhosum Moc. & Sessé ex Meisn. Unresolved L WCSP (in review)
Polygonum clarkei C.W.Park Unresolved L WCSP (in review)
Polygonum claviculatum Meisn. Unresolved L WCSP (in review)
Polygonum cliffortioides Meisn. Unresolved L WCSP (in review)
Polygonum cliopolitanum Hance Synonym M TRO
Polygonum coarctatum Willd. ex Spreng. Unresolved L WCSP (in review)
Polygonum coarctatum var. majus Meisn. Synonym L TRO
Polygonum coccineum Muhl. Synonym M TRO
Polygonum coccineum f. natans (Wiegand) Stanford Unresolved L TRO
Polygonum coccineum var. pratincola (Greene) Stanford Synonym L TRO
Polygonum coccineum var. rigidulum (E. Sheld.) Stanford Synonym L TRO
Polygonum coccineum f. terrestre (Willd.) Stanford Unresolved L TRO
Polygonum coccineum var. terrestre Willd. Synonym L TRO
Polygonum coccoloba Steud. Unresolved L WCSP (in review)
Polygonum cochinchinense (Lour.) Meisn. Synonym M TRO
Polygonum cognatum Meisn. Accepted M WCSP (in review)
Polygonum cognatum var. alpestre (C.A. Mey.) Meisn. Synonym L TRO
Polygonum cognatum subsp. chitralicum (Rech. f. & Schiman-Czeika) Qaiser Accepted L TRO
Polygonum cognatum subsp. cognatum Accepted L TRO
Polygonum collare Mart. ex Meisn. Unresolved L WCSP (in review)
Polygonum commixtum Greene Unresolved L WCSP (in review)
Polygonum compactum Hook. f. Synonym M TRO
Polygonum complexum A.Cunn. Synonym M WCSP (in review)
Polygonum comptonianum Meisn. Unresolved L WCSP (in review)
Polygonum condensatum Schultz ex Nyman Unresolved L WCSP (in review)
Polygonum confertiflorum Nutt. ex Piper Synonym M WCSP (in review)
Polygonum confertum Royle ex Bab. Synonym M TRO
Polygonum confusum Meisn. Unresolved L WCSP (in review)
Polygonum consimile Greene Unresolved L WCSP (in review)
Polygonum conspersum Meisn. Synonym M TRO
Polygonum conspicuum (Nakai) Nakai Synonym M TRO
Polygonum constans Cummins Synonym L TRO
Polygonum controversum Guss. Unresolved L WCSP (in review)
Polygonum convolvulaceum Lam. Unresolved L WCSP (in review)
Polygonum convolvuliforme St.-Lag. Unresolved L WCSP (in review)
Polygonum × convolvuloides Brügger Unresolved L WCSP (in review)
Polygonum convolvulus L. Synonym M WCSP (in review)
Polygonum convolvulus var. pauciflorum (Maxim.) Vorosch. Synonym L TRO
Polygonum cordatum Meisn. Unresolved L WCSP (in review)
Polygonum cordobense Lindau Synonym M TRO
Polygonum coriaceum Sam. Accepted M TRO
Polygonum coriarium Grig. Accepted L TRO
Polygonum coronulatum Steud. Unresolved L WCSP (in review)
Polygonum corrigioloides Jaub. & Spach Unresolved L WCSP (in review)
Polygonum corsiuanum Link Unresolved L WCSP (in review)
Polygonum corymbosum Willd. Unresolved L WCSP (in review)
Polygonum covillei (Greene) Fedde Unresolved L WCSP (in review)
Polygonum crassicaule Raf. Unresolved L WCSP (in review)
Polygonum crassifolium Murray Unresolved L WCSP (in review)
Polygonum crassinerve Ces. Unresolved L WCSP (in review)
Polygonum crassum Lojac. Unresolved L WCSP (in review)
Polygonum cretaceum Kom. Synonym M WCSP (in review)
Polygonum criopolitanum Hance Accepted M TRO
Polygonum crispatum C.B.Clarke Unresolved L WCSP (in review)
Polygonum crispatum Gand. Unresolved L WCSP (in review)
Polygonum crispulum Sims Unresolved L WCSP (in review)
Polygonum crispum Hornem. Unresolved L WCSP (in review)
Polygonum cristatum Engelm. & A. Gray Synonym M TRO
Polygonum cumingianum Gand. Unresolved L WCSP (in review)
Polygonum cunninghamii Meisn. Unresolved L WCSP (in review)
Polygonum cusickii (Greene) Fedde Unresolved L WCSP (in review)
Polygonum cuspidatum Siebold & Zucc. Synonym M TRO
Polygonum cuspidatum Willd. ex Spreng. Synonym M TRO
Polygonum cuspidatum var. spectabile Noter Synonym L TRO
Polygonum cyanandrum Diels Accepted M TRO
Polygonum cymosum Trevir. Synonym M WCSP (in review)
Polygonum cynanchoides Hemsl. Synonym M TRO
Polygonum cynanchoides var. glabriusculum A.J. Li Synonym L TRO
Polygonum czukavinae Soják Accepted M TRO
Polygonum damrongianum Hosseus Unresolved L WCSP (in review)
Polygonum danubiale A.Kern. Unresolved L WCSP (in review)
Polygonum daphnophyllum Andrz. Unresolved L WCSP (in review)
Polygonum daphnophyllum Andrz. ex Meisn. Unresolved L WCSP (in review)
Polygonum darrisii H. Lév. Accepted M TRO
Polygonum davisiae W.H. Brewer ex A. Gray Synonym L TRO
Polygonum davuricum Willd. ex Spreng. Unresolved L WCSP (in review)
Polygonum deasyi Rendle Unresolved L WCSP (in review)
Polygonum debeauxii Legrand Unresolved L WCSP (in review)
Polygonum debile Meisn. Unresolved L WCSP (in review)
Polygonum deciduum Boiss. & Noe ex Meissn. Synonym M TRO
Polygonum decipiens R.Br. Synonym M WCSP (in review)
Polygonum declinatum Vell. Synonym M WCSP (in review)
Polygonum decumbens P.Fourn. ex Vindt Unresolved L WCSP (in review)
Polygonum decumbens Bruyn Unresolved L WCSP (in review)
Polygonum decumbens Schur Unresolved L WCSP (in review)
Polygonum deflexipilosum Kitam. Synonym M TRO
Polygonum delfini Phil. Unresolved L WCSP (in review)
Polygonum delicatulum Meisn. Accepted M TRO
Polygonum densiflorum Meisn. Synonym M TRO
Polygonum densiflorum Blume Accepted M TRO
Polygonum densiflorum var. ciliolatum Meisn. ex A. DC. Synonym L TRO
Polygonum densiflorum f. ciliolatum (Meisn. ex A. DC.) Fassett Accepted L TRO
Polygonum densiflorum var. imberbe Meisn. ex A. DC. Synonym L TRO
Polygonum densiflorum f. imberbe (Meisn. ex A. DC.) Fassett Accepted L TRO
Polygonum dentatoalatum F. Schmidt Synonym M TRO
Polygonum denticulatum C.C. Huang Synonym M TRO
Polygonum denudatum Boreau Unresolved L WCSP (in review)
Polygonum depressum A.Cunn. ex Meisn. Unresolved L WCSP (in review)
Polygonum dibotrys D.Don Synonym M WCSP (in review)
Polygonum dichotomum Blume Synonym M TRO
Polygonum diclinum F.Muell. Unresolved L WCSP (in review)
Polygonum dielsii H. Lév. Synonym M TRO
Polygonum dietrichiae Domin Unresolved L WCSP (in review)
Polygonum diffusum Pall. ex Spreng. Unresolved L WCSP (in review)
Polygonum digeneum Rouy Unresolved L WCSP (in review)
Polygonum dioicum Buch.-Ham. ex Meisn. Unresolved L WCSP (in review)
Polygonum diospyrifolium Cham. & Schltdl. Unresolved L WCSP (in review)
Polygonum dissitiflorum Hemsl. Accepted M TRO
Polygonum distachyum Mart. ex Meisn. Unresolved L WCSP (in review)
Polygonum divaricatum L. Accepted M TRO
Polygonum divaricatum f. glabrum Meisn. Synonym L TRO
Polygonum divaricatum var. limosum Kom. Synonym L TRO
Polygonum dolichopodum Ohki Synonym M TRO
Polygonum dombeyanum Kuntze Synonym M TRO
Polygonum donianum Spreng. Synonym M TRO
Polygonum donii Meisn. Synonym M TRO
Polygonum douglasii Greene Accepted M TRO
Polygonum douglasii var. austinae (Greene) M.E.Jones Synonym L WCSP (in review)
Polygonum douglasii subsp. austiniae (Greene) A.E.Murray Accepted L WCSP (in review)
Polygonum douglasii subsp. austiniae (Greene) J.C. Hickman Synonym L TRO
Polygonum douglasii subsp. engelmannii (Greene) J.T.Kartesz & Gandhi Accepted L WCSP (in review)
Polygonum douglasii subsp. johnstonii (Munz) J.C.Hickman Accepted L WCSP (in review)
Polygonum douglasii var. johnstonii Munz Synonym L WCSP (in review)
Polygonum douglasii var. latifolium (Engelm.) Greene Synonym L TRO
Polygonum douglasii subsp. majus (Meisn.) J.C. Hickman Synonym L TRO
Polygonum douglasii var. microspermum (Engelm.) Dorn Accepted L TRO
Polygonum douglasii var. montanum Small Synonym L TRO
Polygonum douglasii subsp. nuttallii (Small) J.C. Hickman Synonym L TRO
Polygonum douglasii subsp. spergulariiforme (Meisn. ex Small) J.C. Hickman Synonym L TRO
Polygonum douglasii var. utahense (Brenckle & Cottam) S.L. Welsh Synonym L TRO
Polygonum dracunculifolium Boiss. Unresolved L WCSP (in review)
Polygonum dregeanum Meisn. Unresolved L WCSP (in review)
Polygonum dregei Meisn. Unresolved L WCSP (in review)
Polygonum dryandri Spreng. Synonym M TRO
Polygonum dshawachischwilii Charkev. Accepted M TRO
Polygonum dubium Stein ex A. Br. Synonym M TRO
Polygonum duclouxii H. Lév. & Vaniot Synonym M TRO
Polygonum dumetorum L. Synonym M WCSP (in review)
Polygonum dumetorum f. cristatum (Engelm. & A. Gray) B.L. Rob. Synonym L TRO
Polygonum dumetorum var. scandens G... Synonym L TRO
Polygonum dumosum Boiss. Unresolved L WCSP (in review)
Polygonum durum Brenckle Synonym M TRO
Polygonum ebracteatum Munshi & Javeid Synonym M WCSP (in review)
Polygonum eciliatum W.Stone Unresolved L WCSP (in review)
Polygonum effusum Meisn. Accepted M TRO
Polygonum ehrenbergii Meisn. Unresolved L WCSP (in review)
Polygonum ekimianum Leblebici, H.Duman & Aytaç Unresolved L WCSP (in review)
Polygonum elatius R.Br. Unresolved L WCSP (in review)
Polygonum elegans Ten. [Illegitimate] Unresolved L WCSP (in review)
Polygonum ellipticum Willd. ex Spreng. Accepted M TRO
Polygonum emaciatum A. Nelson Synonym M TRO
Polygonum emarginatum Roth Synonym M TRO
Polygonum emersum (Michx.) Britton Synonym M TRO
Polygonum emodi Meisn. Synonym L TRO
Polygonum emodi var. dependens Diels Unresolved L TRO
Polygonum emodi var. emodi Unresolved L TRO
Polygonum engelmannii Greene Synonym M WCSP (in review)
Polygonum englerianum H. Gross Synonym M TRO
Polygonum ensigerum Juz. Accepted M TRO
Polygonum ephedrodes Kuntze Unresolved L WCSP (in review)
Polygonum ephedroides Hook.f. Unresolved L WCSP (in review)
Polygonum epilobioides Wedd. Synonym L WCSP (in review)
Polygonum equisetiforme Sm. Accepted M WCSP (in review)
Polygonum erectominus Makino Unresolved L WCSP (in review)
Polygonum erectum L. Synonym M TRO
Polygonum erectum Vell. Synonym M TRO
Polygonum erectum Roth Synonym M TRO
Polygonum erectum subsp. achoreum (S.F. Blake) Á. Löve & D. Löve Synonym L TRO
Polygonum erythrodes Miq. Unresolved L WCSP (in review)
Polygonum erythropus Dammer Unresolved L WCSP (in review)
Polygonum esotericum L.C. Wheeler Synonym M TRO
Polygonum esquirolii H. Lév. Synonym M TRO
Polygonum eurybelonum Danser Unresolved L WCSP (in review)
Polygonum euryphyllum Danser Unresolved L WCSP (in review)
Polygonum euxinum Chrtek Unresolved L WCSP (in review)
Polygonum excurrens Steward Synonym M TRO
Polygonum exiguum Meisn. Unresolved L WCSP (in review)
Polygonum exile Eastw. Synonym M TRO
Polygonum exsertum Small Synonym M TRO
Polygonum extremiorientale Vorosch. Unresolved L WCSP (in review)
Polygonum fagopyrum L. Synonym M WCSP (in review)
Polygonum fallax Greene Unresolved L WCSP (in review)
Polygonum fallax Small Unresolved L WCSP (in review)
Polygonum fasciculatum Sessé & Moc. Unresolved L WCSP (in review)
Polygonum fastigiatoramosum Makino Unresolved L WCSP (in review)
Polygonum fastigiatum Raf. Unresolved L WCSP (in review)
Polygonum fauriei H. Lév. & Vaniot Synonym M TRO
Polygonum ferrugineum Wedd. Synonym M WCSP (in review)
Polygonum ferrugineum var. incanum (Meisn.) Small Unresolved L TRO
Polygonum ferrugineum var. patagonicum (Speg.) Macloskie Synonym L TRO
Polygonum fertile (Maxim.) A.J. Li Accepted M TRO
Polygonum fibrilliferum Kom. Unresolved L WCSP (in review)
Polygonum figertii Beck Unresolved L WCSP (in review)
Polygonum filicaule Wall. ex Meisn. Accepted L WCSP (in review)
Polygonum filiforme Thunb. Synonym M TRO
Polygonum filiforme subsp. neofiliforme (Nakai) Kitam. Synonym L TRO
Polygonum filiforme var. neofiliforme (Nakai) Ohwi Synonym L TRO
Polygonum fimbriatum Elliott Synonym M TRO
Polygonum fissum Blume Unresolved L WCSP (in review)
Polygonum fistulosum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum flaccidum Meisn. Synonym M TRO
Polygonum flaccidum var. hispidum (Buch.-Ham. ex D. Don) Hook. f. Synonym L TRO
Polygonum flagellare Spreng. Unresolved L WCSP (in review)
Polygonum flagellare Bertol. ex Sebast. & Mauri Unresolved L WCSP (in review)
Polygonum flagelliforme Loisel. Unresolved L WCSP (in review)
Polygonum flagelliforme Wedd. Unresolved L WCSP (in review)
Polygonum flavescens Jord. ex Nyman Unresolved L WCSP (in review)
Polygonum flexile Greene Unresolved L WCSP (in review)
Polygonum flexuosum Benth. Synonym M TRO
Polygonum floribundum Schltdl. ex Spreng. Accepted M WCSP (in review)
Polygonum floribundum Wedd. Synonym M TRO
Polygonum floridum Borbás Unresolved L WCSP (in review)
Polygonum florulentum Kuntze Unresolved L WCSP (in review)
Polygonum fluitans Eaton Synonym M TRO
Polygonum fluviatile Ham. ex Hook.f. Unresolved L WCSP (in review)
Polygonum fluviatile Buch.-Ham. ex Endl. Unresolved L WCSP (in review)
Polygonum foliosum H.Lindb. Synonym M WCSP (in review)
Polygonum foliosum var. paludicola (Makino) Kitam. Unresolved L TRO
Polygonum forbesii Hance Synonym M TRO
Polygonum forrestii Diels Accepted M TRO
Polygonum forrestii var. pumilio Lingelsh. Synonym L TRO
Polygonum fowleri B.L.Rob. Unresolved L WCSP (in review)
Polygonum fowleri subsp. fowleri Unresolved L TRO
Polygonum fowleri subsp. hudsonianum (S.J. Wolf & McNeill) Costea & Tardif Unresolved L TRO
Polygonum fragile SUMNER Synonym M TRO
Polygonum franchetii Vorosch. Accepted M TRO
Polygonum franciscanum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum franktonii S.J.Wolf & McNeill Unresolved L WCSP (in review)
Polygonum frondosum Meisn. Synonym M TRO
Polygonum frutescens L. Synonym M TRO
Polygonum fruticosum S.G.Gmel. ex Meisn. Unresolved L WCSP (in review)
Polygonum fruticulosum Walp. Synonym M TRO
Polygonum fugax Small Unresolved L WCSP (in review)
Polygonum fusco-ochreatum Kom. Synonym M TRO
Polygonum fusco-ochreatum f. stans (Kitag.) C.F. Fang Synonym L TRO
Polygonum fusiforme Greene Synonym M TRO
Polygonum gabrielae Costea & Tardif Unresolved L WCSP (in review)
Polygonum galapagense Caruel Accepted M TRO
Polygonum gallicum Raffaelli Synonym M WCSP (in review)
Polygonum ganderbalense Munshi & Javeid Synonym M WCSP (in review)
Polygonum geniculatum Bellardi ex Colla Unresolved L WCSP (in review)
Polygonum geniculatum Riddell ex Meisn. Unresolved L WCSP (in review)
Polygonum geniculatum Poir. Unresolved L WCSP (in review)
Polygonum gentilianum (H. Lév.) H. Lév. Synonym M TRO
Polygonum gilesii Hemsl. Synonym M TRO
Polygonum giranense Ohki Unresolved L WCSP (in review)
Polygonum glaberrimum Kitam. Synonym L TRO
Polygonum glabratum Meisn. Unresolved L WCSP (in review)
Polygonum glabrum Willd. Synonym M WCSP (in review)
Polygonum glabrum Cham. & Schltdl. Synonym M TRO
Polygonum glaciale (Meisn.) Hook. f. Synonym M TRO
Polygonum glaciale var. glaciale Unresolved L TRO
Polygonum glaciale var. przewalskii (A.K. Skvortsov & Borodina) A.J. Li Unresolved L TRO
Polygonum glanduliferum Nakai Synonym M TRO
Polygonum glandulopilosum De Wild. Synonym M WCSP (in review)
Polygonum glandulosum Kit. Synonym M TRO
Polygonum glareosum Schischk. Synonym M TRO
Polygonum glastifolium Greene Unresolved L WCSP (in review)
Polygonum glaucescens N.A.Ivanova ex N.N.Tupits?na Unresolved L WCSP (in review)
Polygonum glaucum Nutt. Accepted M WCSP (in review)
Polygonum globispicum (Nakai) C.W.Park Unresolved L WCSP (in review)
Polygonum glomeratum Dammer Synonym M WCSP (in review)
Polygonum gloriosum H. Lév. Synonym M TRO
Polygonum glutinosum Wall. Unresolved L WCSP (in review)
Polygonum glutinosum var. capensis Hedw. Synonym L TRO
Polygonum gmelinii Steud. Unresolved L WCSP (in review)
Polygonum gmelinii Meisn. Unresolved L WCSP (in review)
Polygonum goyalpara Ham. ex Hook.f. Unresolved L WCSP (in review)
Polygonum goyalparae Buch.-Ham. ex Endl. Unresolved L WCSP (in review)
Polygonum gracile Nutt. Synonym M TRO
Polygonum gracilescens Mart. ex Meisn. Unresolved L WCSP (in review)
Polygonum gracilipes Hemsl. Synonym M TRO
Polygonum gracilipes var. odonotopterum (H. Gross) Sam. Synonym L TRO
Polygonum gracilius (Ledeb.) Klokov Synonym M WCSP (in review)
Polygonum gracillimum Spreng. Unresolved L WCSP (in review)
Polygonum gracillimum Kuntze Unresolved L WCSP (in review)
Polygonum graminifolium Wierzb. ex Heuff. Unresolved L WCSP (in review)
Polygonum graminifolium Hoffm. ex Meisn. Unresolved L WCSP (in review)
Polygonum grandiflorum Bertol. Synonym M TRO
Polygonum grandifolium (Greene) Fedde Unresolved L WCSP (in review)
Polygonum greenei S. Watson Synonym M TRO
Polygonum griffithii Hook. f. Accepted M TRO
Polygonum grossii H. Lév. Synonym M TRO
Polygonum guatemalense Gand. Synonym M TRO
Polygonum gummifera Wedd. Synonym M TRO
Polygonum gunnii Hook.f. Unresolved L WCSP (in review)
Polygonum gussonei Tod. Accepted M WCSP (in review)
Polygonum guttuliferum Miq. ex Hook.f. Unresolved L WCSP (in review)
Polygonum guttuliferum Miq. ex Meisn. Unresolved L WCSP (in review)
Polygonum gymnopus Franch. & Sav. Unresolved L WCSP (in review)
Polygonum hachidyoense Makino Unresolved L WCSP (in review)
Polygonum hagei Royle ex Bab. Unresolved L WCSP (in review)
Polygonum hamiltonii Spreng. Unresolved L WCSP (in review)
Polygonum hamiltonii Meisn. Unresolved L WCSP (in review)
Polygonum hangchouense Matsuda Synonym M TRO
Polygonum hartwrightii A. Gray Synonym M TRO
Polygonum hassanabdalicum Chaudhri Synonym M TRO
Polygonum hastatoauriculatum Makino ex Nakai Synonym M TRO
Polygonum hastatosagittatum Makino Accepted M TRO
Polygonum hastatosagittatum var. latifolium Makino Synonym L TRO
Polygonum hastatotrilobum Meisn. Synonym M TRO
Polygonum hastatotrilobum var. lenticulare Danser Synonym L TRO
Polygonum hastatum Murray Unresolved L WCSP (in review)
Polygonum hastatum Bojer & Hils. ex Baker Unresolved L WCSP (in review)
Polygonum hastatum Zoll. & Moritzi Unresolved L WCSP (in review)
Polygonum hastulatum (Sm.) Kuntze Synonym M TRO
Polygonum hayachinense Makino Unresolved L WCSP (in review)
Polygonum hayi Strachey & Winterb. ex Meisn. Unresolved L WCSP (in review)
Polygonum hecasanthum Schur Unresolved L WCSP (in review)
Polygonum hermonis Kotschy ex Boiss. Unresolved L WCSP (in review)
Polygonum herniarioides Spreng. Synonym M TRO
Polygonum hesperium (Greene) Fedde Unresolved L WCSP (in review)
Polygonum × heterocarpum Beck Unresolved L WCSP (in review)
Polygonum heterophyllum Lindm. Synonym M WCSP (in review)
Polygonum heterophyllum var. angustissimum (Meisn.) Lindm. Synonym L WCSP (in review)
Polygonum heterophyllum subsp. boreale Á. Löve & D. Löve Synonym L TRO
Polygonum heterophyllum var. caespitosum Lindm. Synonym L WCSP (in review)
Polygonum heterophyllum var. eximium Lindm. Synonym L WCSP (in review)
Polygonum heterophyllum var. rubescens (Small) R.J.Davis Synonym L WCSP (in review)
Polygonum heterophyllum f. rubescens (Small) Brenckle Synonym L WCSP (in review)
Polygonum heterophyllum subsp. rurivagum (Jord. ex Boreau) Lindm. Synonym L WCSP (in review)
Polygonum heterosepalum M.Peck & Ownbey Unresolved L WCSP (in review)
Polygonum hickmanii H.R.Hinds & Rand.Morgan Unresolved L WCSP (in review)
Polygonum himalayense H. Gross Synonym M TRO
Polygonum hippopotami Ehrenb. ex Meisn. Unresolved L WCSP (in review)
Polygonum hirsutum Walter Synonym M TRO
Polygonum hirtum Ruiz & Pav. Unresolved L WCSP (in review)
Polygonum hirtum Willd. ex Spreng. Unresolved L WCSP (in review)
Polygonum hispidulum Blume Unresolved L WCSP (in review)
Polygonum hispidum Kunth Synonym M WCSP (in review)
Polygonum hispidum Buch.-Ham. ex D. Don Synonym M TRO
Polygonum hissaricum Popov Accepted M TRO
Polygonum hololeion Peter Unresolved L WCSP (in review)
Polygonum holotrichum Peter Unresolved L WCSP (in review)
Polygonum homalostachyum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum honanense H.W. Kung Accepted M TRO
Polygonum hookeri Meisn. Accepted L TRO
Polygonum hornemannii Meisn. Unresolved L WCSP (in review)
Polygonum horridum Buch.-Ham. ex Roxb. Unresolved L WCSP (in review)
Polygonum howellii Greene Unresolved L WCSP (in review)
Polygonum huananense A.J. Li Accepted M TRO
Polygonum hubertii Lingelsh. Synonym M TRO
Polygonum hudsonianum (S.J. Wolf & McNeill) H.R. Hinds Synonym M TRO
Polygonum huichunense F.Z. Li, Y.T. Hou & C.Y. Qu Accepted M TRO
Polygonum humifusum C. Merck ex K. Koch Accepted M TRO
Polygonum humifusum subsp. caurianum (B.L. Rob.) Costea & Tardif Accepted L TRO
Polygonum humifusum var. mandshuricum Skvortsov Synonym L TRO
Polygonum humifusum f. yamatutae (Kitag.) C.F. Fang Synonym L TRO
Polygonum humile Meisn. Accepted M TRO
Polygonum humirepens Gand. Unresolved L WCSP (in review)
Polygonum hybridum Chaub. Synonym M TRO
Polygonum hydrophilum Peter Unresolved L WCSP (in review)
Polygonum hydropiper L. Synonym M WCSP (in review)
Polygonum hydropiper var. acuminatum Franch. & Sav. Synonym L TRO
Polygonum hydropiper var. eglandulosa Hook. f. Synonym L TRO
Polygonum hydropiper var. flaccidum (Meisn.) Steward Synonym L TRO
Polygonum hydropiper var. hispidum (Buch.-Ham. ex D. Don) Steward Synonym L TRO
Polygonum hydropiper var. longistachyum Y.L. Chang & S.X. Li Synonym L TRO
Polygonum hydropiper subsp. microcarpum Danser Synonym L TRO
Polygonum hydropiper var. projectum Stanford Synonym L TRO
Polygonum hydropiper var. vulgare Meisn. Synonym L TRO
Polygonum hydropiperoides Michx. Synonym M WCSP (in review)
Polygonum hydropiperoides var. adenocalyx Stanford Synonym L TRO
Polygonum hydropiperoides var. asperifolium Stanford Synonym L TRO
Polygonum hydropiperoides var. breviciliatum Fernald Synonym L TRO
Polygonum hydropiperoides var. bushianum Stanford Synonym L TRO
Polygonum hydropiperoides var. digitatum Fernald Synonym L TRO
Polygonum hydropiperoides var. hydropiperoides Unresolved L TRO
Polygonum hydropiperoides f. leucochranthum A.H. Moore Synonym L TRO
Polygonum hydropiperoides var. macerum Stanford Synonym L TRO
Polygonum hydropiperoides var. macounii Small Synonym L TRO
Polygonum hydropiperoides var. opelousanum (Riddell ex Small) W. Stone Synonym L TRO
Polygonum hydropiperoides var. persicarioides (Kunth) Stanford Synonym L TRO
Polygonum hydropiperoides var. psilostachyum H. St. John Synonym L TRO
Polygonum hydropiperoides var. sanibelense Stanford Synonym L TRO
Polygonum hydropiperoides var. setaceum (Baldwin) Gleason Unresolved L TRO
Polygonum hydropiperoides subsp. setaceum (Baldwin) M. Dalci Synonym L TRO
Polygonum hydropiperoides f. strigosum (Small) Stanford Synonym L TRO
Polygonum hydropiperoides var. strigosum Small Synonym L TRO
Polygonum hydropiperoides var. virgatum (Cham. & Schltdl.) Meisn. Synonym L TRO
Polygonum hygrogenes Gand. Unresolved L WCSP (in review)
Polygonum hypanicum Klokov Synonym M WCSP (in review)
Polygonum hypoleucum (Nakai) Kudô & Sasaki [Invalid] Synonym M WCSP (in review)
Polygonum hypoleucum Ohwi Synonym M WCSP (in review)
Polygonum hypostictum Miq. ex Meisn. Unresolved L WCSP (in review)
Polygonum hypostictum Miq. ex Hook.f. Unresolved L WCSP (in review)
Polygonum hyrcanicum Rech.f. Unresolved L WCSP (in review)
Polygonum hyssopifolium Bojer Unresolved L WCSP (in review)
Polygonum hystriculum Schuster Accepted M TRO
Polygonum icaricum Rech.f. Accepted M WCSP (in review)
Polygonum idaeum Hayek Accepted M WCSP (in review)
Polygonum ilanense Y.C.Liu & C.H.Ou Unresolved L WCSP (in review)
Polygonum illecebroides Meisn. Unresolved L WCSP (in review)
Polygonum imberbe Sol. ex G.Forst. Unresolved L WCSP (in review)
Polygonum imbricatum Nutt. ex S.Watson Unresolved L WCSP (in review)
Polygonum imbricatum Raf. Unresolved L WCSP (in review)
Polygonum imbricatum var. watsonii (Small) Jeps. Synonym L TRO
Polygonum imeretinum Kom. Accepted M TRO
Polygonum incanum F.W.Schmidt Synonym M WCSP (in review)
Polygonum incarnatum Elliott Synonym M TRO
Polygonum indicum B.Heyne Unresolved L WCSP (in review)
Polygonum induratum Asch. & Barbey ex E.A.Durand & Barratte Unresolved L WCSP (in review)
Polygonum infestum Salisb. Unresolved L WCSP (in review)
Polygonum inflexum Kom. Accepted M TRO
Polygonum injucunda Lindl. Synonym M TRO
Polygonum insigne (Greene) Fedde Unresolved L WCSP (in review)
Polygonum insulare Lojac. Unresolved L WCSP (in review)
Polygonum insulare M.M.Maksimova Unresolved L WCSP (in review)
Polygonum intercedens Petrov ex Kom. Synonym M TRO
Polygonum interior Brenckle Synonym M TRO
Polygonum intermedium Nutt. ex S. Watson Synonym M TRO
Polygonum interruptum Bunge Synonym M TRO
Polygonum intramongolicum Fu & Zhao Unresolved L TRO
Polygonum intramongolicum Borodina Accepted M TRO
Polygonum intricatum Kom. Synonym M TRO
Polygonum inundatum Mart. ex Meisn. Unresolved L WCSP (in review)
Polygonum inundatum Raf. Unresolved L WCSP (in review)
Polygonum iowense (Rydb.) Cratty Unresolved L WCSP (in review)
Polygonum iseanum Makino Unresolved L WCSP (in review)
Polygonum islandicum (L.) Hook.f. Synonym M WCSP (in review)
Polygonum iturupense Mishurov Unresolved L WCSP (in review)
Polygonum janatae Klokov Synonym M WCSP (in review)
Polygonum janoviense Zapal. Unresolved L WCSP (in review)
Polygonum japonicum Meisn. Accepted M TRO
Polygonum japonicum f. brevistylum Nakai Synonym L TRO
Polygonum japonicum var. conspicuum Nakai Accepted L TRO
Polygonum japonicum var. japonicum Accepted L TRO
Polygonum japonicum var. micranthum Nakai Synonym L TRO
Polygonum japonicum var. taitoinsulare Masam. Unresolved L WCSP (in review)
Polygonum javanicum Bruyn Unresolved L WCSP (in review)
Polygonum jaxarticum SUMNER Synonym M TRO
Polygonum jeholense (Kitag.) Baranov & Skvortsov ex S.X. Li & Y.L. Chang Synonym M TRO
Polygonum jejunum Greene Unresolved L WCSP (in review)
Polygonum jucundum Diels Synonym M TRO
Polygonum jucundum Meisn. Accepted M TRO
Polygonum junceum Ledeb. Accepted M TRO
Polygonum jurii A.K. Skvortsov Accepted M TRO
Polygonum kakaii (H.Hara) Makino Unresolved L WCSP (in review)
Polygonum karacae Ziel. & Borat. Unresolved L WCSP (in review)
Polygonum kawagoeanum Makino Accepted M TRO
Polygonum kawakamii Ohki Unresolved L WCSP (in review)
Polygonum kelloggii Greene Synonym M WCSP (in review)
Polygonum kelloggii var. confertiflorum (Nutt. ex Piper) Dorn Synonym L TRO
Polygonum kermesinum Kingdon-Ward Unresolved L WCSP (in review)
Polygonum kinashii H. Lév. & Vaniot Synonym M TRO
Polygonum kirinense S.X. Li & Y.L. Chang Synonym M TRO
Polygonum kitaibelianum Sadler Synonym M WCSP (in review)
Polygonum kolumense A.P.Khokhr. Unresolved L WCSP (in review)
Polygonum komarovii H. Lév. Synonym M TRO
Polygonum koreense Nakai Synonym M TRO
Polygonum koreense f. viridiflorum S.X. Li & Y.L. Chang Synonym L TRO
Polygonum korotkovae SUMNER Synonym M TRO
Polygonum korshinskianum Nakai Synonym M TRO
Polygonum korthalsii Gand. Unresolved L WCSP (in review)
Polygonum kotoshoense Ohki Synonym M TRO
Polygonum kotovii Klokov Synonym M WCSP (in review)
Polygonum kotschyanum Boiss. Synonym M TRO
Polygonum krascheninnikovii Czerep. Accepted M TRO
Polygonum krasseri Rech. Unresolved L WCSP (in review)
Polygonum kudriaschevii Vassilkovsk. Unresolved L WCSP (in review)
Polygonum kudrjaschevii Vassilkovsk. Synonym M TRO
Polygonum kuekenthalii H. Lév. Synonym M TRO
Polygonum kumaonum Subba Rao & Kumari Unresolved L WCSP (in review)
Polygonum kuntzei P.Fourn. Unresolved L WCSP (in review)
Polygonum kurilense Tatew. Unresolved L WCSP (in review)
Polygonum labordei H. Lév. & Vaniot Synonym M TRO
Polygonum lacerum Kunth Accepted M TRO
Polygonum laetevirens (Greene) Fedde Unresolved L WCSP (in review)
Polygonum lanatum Roxb. Synonym M TRO
Polygonum lanceifolium Danser Unresolved L WCSP (in review)
Polygonum langeanum Rouy Unresolved L WCSP (in review)
Polygonum langloisii (Greene) Fedde Unresolved L WCSP (in review)
Polygonum lanigerum R.Br. Synonym M WCSP (in review)
Polygonum lanigerum var. africanum Meisn. Synonym L TRO
Polygonum lanigerum var. cristatum Hemsl. Synonym L TRO
Polygonum lapathifolium L. Synonym M WCSP (in review)
Polygonum lapathifolium subsp. brittingeri Rech. f. Synonym L TRO
Polygonum lapathifolium var. glabrum Burtt Davy Synonym L TRO
Polygonum lapathifolium var. incanum (F.W. Schmidt) W.D.J. Koch Synonym L TRO
Polygonum lapathifolium var. incanum Ledeb. Synonym L TRO
Polygonum lapathifolium var. lanatum (Roxb.) Steward Unresolved L TRO
Polygonum lapathifolium var. lanigerum (R.Br.) C.Moore & Betche Synonym L WCSP (in review)
Polygonum lapathifolium var. lapathifolium Unresolved L TRO
Polygonum lapathifolium subsp. maculatum T.-Dyer & Trim. Unresolved L TRO
Polygonum lapathifolium var. maculatum T.-Dyer & Trim. Synonym L TRO
Polygonum lapathifolium subsp. nodosum (Pers.) Weinm. Synonym L TRO
Polygonum lapathifolium var. nodosum (Pers.) Hook. f. Synonym L TRO
Polygonum lapathifolium f. nodosum (Pers.) Beck Synonym L TRO
Polygonum lapathifolium subsp. nodosum Danser Synonym L TRO
Polygonum lapathifolium var. ovatum A. Br. Synonym L TRO
Polygonum lapathifolium subsp. pallidum FRIES Synonym L TRO
Polygonum lapathifolium var. salicifolium Sibth. Synonym L TRO
Polygonum lapathifolium var. xanthophyllum H.W. Kung Synonym L TRO
Polygonum lapidosum (Kitag.) Kitag. Synonym M TRO
Polygonum latifolium Giesecke ex Lange Unresolved L WCSP (in review)
Polygonum latifolium Kotschy ex Boiss. Unresolved L WCSP (in review)
Polygonum latum Small ex Rydb. Synonym M TRO
Polygonum laurinum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum laxiflorum Weihe Unresolved L WCSP (in review)
Polygonum laxiflorum Pall. ex Meisn. Unresolved L WCSP (in review)
Polygonum laxmannii Lepech. Synonym L WCSP (in review)
Polygonum laxum Rchb. Unresolved L WCSP (in review)
Polygonum lemannianum Meisn. Synonym M TRO
Polygonum lencoranicum Kom. Accepted M TRO
Polygonum leptobotrys (Meisn.) Kuntze Synonym M TRO
Polygonum leptocarpum B.L. Rob. Synonym M TRO
Polygonum leptocladum Danser Unresolved L WCSP (in review)
Polygonum leptophyllum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum leptopodum Diels Synonym M TRO
Polygonum leptopodum var. grossii (H. Lév.) Sam. Synonym L TRO
Polygonum leptostachyum Bruyn Unresolved L WCSP (in review)
Polygonum leuconeuron Peter Unresolved L WCSP (in review)
Polygonum liaotungense Kitag. Unresolved L WCSP (in review)
Polygonum libani Boiss. Unresolved L WCSP (in review)
Polygonum libanoticum Ehrenb. ex Meisn. Unresolved L WCSP (in review)
Polygonum lichiangense W.W. Sm. Accepted M TRO
Polygonum lilacinum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum limbatum Meisn. Synonym M WCSP (in review)
Polygonum limicola Sam. Accepted M TRO
Polygonum limosum Kom. Accepted M TRO
Polygonum limprichtii Lingelsh. Synonym L TRO
Polygonum lineare Sam. Synonym M TRO
Polygonum linearifolium Greene Unresolved L WCSP (in review)
Polygonum linicola Sutulov Synonym M WCSP (in review)
Polygonum linifolium B.Heyne Unresolved L WCSP (in review)
Polygonum linifolium Muhl. Unresolved L WCSP (in review)
Polygonum linifolium Perr. ex Meisn. Unresolved L WCSP (in review)
Polygonum littorale (Greene) Fedde Accepted L TRO
Polygonum littorale Meissn. Synonym M TRO
Polygonum lonchophyllum (Greene) Fedde Accepted M TRO
Polygonum longiflorum Courchet Unresolved L WCSP (in review)
Polygonum longiocreatum Bartlett Accepted M TRO
Polygonum longipedicellatum Zak. Synonym M TRO
Polygonum longipes Halácsy & Charrel Accepted M WCSP (in review)
Polygonum longisetum Bruijn Synonym M TRO
Polygonum longisetum var. longisetum Unresolved L TRO
Polygonum longisetum var. rotundatum A.J. Li Unresolved L TRO
Polygonum longistylum Small Synonym M TRO
Polygonum longistylum var. omissum (Greene) Stanford Unresolved L TRO
Polygonum lorinseri Opiz Unresolved L WCSP (in review)
Polygonum louci Gand. Unresolved L WCSP (in review)
Polygonum loureiroi Poir. Unresolved L WCSP (in review)
Polygonum ludovicianum Meisn. Unresolved L WCSP (in review)
Polygonum luxurians Grig. Synonym M TRO
Polygonum luzuloides Jaub. & Spach Unresolved L WCSP (in review)
Polygonum lyratum Nakai Unresolved L WCSP (in review)
Polygonum maackianum Regel Accepted M TRO
Polygonum macounii Small Synonym L TRO
Polygonum macrochaeton Fresen. Unresolved L WCSP (in review)
Polygonum macrochaetum Miq. Unresolved L WCSP (in review)
Polygonum macrohymenium Boiss. Unresolved L WCSP (in review)
Polygonum macrophyllum D. Don Accepted M TRO
Polygonum macrophyllum var. macrophyllum Accepted L TRO
Polygonum macrophyllum var. stenophyllum (Meisn.) A.J. Li Accepted L TRO
Polygonum macrophyllum f. tomentosum Kitam. Synonym L TRO
Polygonum macropterum Meisn. Unresolved L WCSP (in review)
Polygonum maculatum Raf. Synonym M WCSP (in review)
Polygonum madagascariense (Meisn.) Meisn. Synonym M WCSP (in review)
Polygonum mairei H. Lév. Synonym M TRO
Polygonum majanthemifolium (Petrov) Steward Synonym L TRO
Polygonum majus (Meisn.) Piper Accepted M TRO
Polygonum makinoi Nakai Synonym M TRO
Polygonum malaicum Danser Synonym M TRO
Polygonum mandshuricum Skvortsov Synonym M TRO
Polygonum manoraene Buch.-Ham. ex Endl. Unresolved L WCSP (in review)
Polygonum manshuriense Petrov ex Kom. Accepted M TRO
Polygonum mariae V.N. Vassil. Synonym M TRO
Polygonum marinense T.R.Mert. & P.H.Raven Unresolved L WCSP (in review)
Polygonum marioticum Ehrenb. ex Meisn. Unresolved L WCSP (in review)
Polygonum maritimum L. Accepted M WCSP (in review)
Polygonum maritimum var. chilense (K. Koch) Skottsb. Synonym L TRO
Polygonum marmoramae Ham. ex Hook.f. Unresolved L WCSP (in review)
Polygonum marretii H. Lév. Synonym L TRO
Polygonum martini H. Lév. & Vaniot Synonym M TRO
Polygonum martinianum Hy Unresolved L WCSP (in review)
Polygonum maximowiczii Regel Unresolved L WCSP (in review)
Polygonum mearnsii Elmer Unresolved L WCSP (in review)
Polygonum meeboldii W.W. Sm. Synonym M TRO
Polygonum meisnerianum Cham. & Schltdl. Synonym M TRO
Polygonum meisnerianum var. jalapense B.L. Rob. Synonym L TRO
Polygonum meisnerianum var. setosum Chodat & Hassl. Synonym L TRO
Polygonum meissneri Wall. Unresolved L WCSP (in review)
Polygonum melastomaca Delile Unresolved L WCSP (in review)
Polygonum mesembricum Chrtek Synonym M WCSP (in review)
Polygonum mesochorum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum mesomorphum Danser Unresolved L WCSP (in review)
Polygonum metschii Beck Unresolved L WCSP (in review)
Polygonum mexicanum Small Synonym M TRO
Polygonum meyenii K.Koch Unresolved L WCSP (in review)
Polygonum meyeri Steud. Synonym M TRO
Polygonum mezianum H. Gross Synonym M TRO
Polygonum micranthemum Franch. ex Hook.f. Unresolved L WCSP (in review)
Polygonum micranthum Meisn. Synonym M TRO
Polygonum microcephalum D. Don Accepted M TRO
Polygonum microcephalum var. microcephalum Accepted L TRO
Polygonum microcephalum var. sphaerocephalum (Wall. ex Meisn.) H. Hara Accepted L TRO
Polygonum microspermum Jord. ex Boreau Synonym M WCSP (in review)
Polygonum microspermum (Engelm.) Small Synonym M TRO
Polygonum middendorfii Kongar Unresolved L WCSP (in review)
Polygonum mildbraedii Dammer Unresolved L WCSP (in review)
Polygonum milletii (H. Lév.) H. Lév. Accepted L TRO
Polygonum minimum S. Watson Accepted M TRO
Polygonum minus Huds. Synonym M WCSP (in review)
Polygonum minus subsp. micranthum (Meisn.) Danser Synonym L TRO
Polygonum minus subsp. procerum Danser Synonym L TRO
Polygonum minus var. procerum (Danser) Steward Synonym L TRO
Polygonum minus var. subcontinum Meisn. Synonym L TRO
Polygonum minus f. trigonocarpum Makino Synonym L TRO
Polygonum minutiflorum Nakai Unresolved L WCSP (in review)
Polygonum minutissimum L.O. Williams Synonym M TRO
Polygonum minutulum Makino Synonym M TRO
Polygonum minutum Hayata Synonym L TRO
Polygonum miquelianum Meisn. Unresolved L WCSP (in review)
Polygonum mirajabii Chaudhri Synonym M TRO
Polygonum mississippiense Stanford Synonym M TRO
Polygonum mite Schrank Synonym M WCSP (in review)
Polygonum mite Pers. Synonym L TRO
Polygonum mixtum Goiran & Tonini Unresolved L WCSP (in review)
Polygonum modestum Heimerl Unresolved L WCSP (in review)
Polygonum molle D. Don Synonym L TRO
Polygonum molle var. frondosum (Meisn.) A.J. Li Unresolved L TRO
Polygonum molle var. molle Unresolved L TRO
Polygonum molle var. rude (Meisn.) A.J. Li Unresolved L TRO
Polygonum molliiforme Boiss. Accepted M TRO
Polygonum monspeliense Thiéb.-Bern. ex Pers. Synonym M WCSP (in review)
Polygonum montanum (Small) Greene Synonym M TRO
Polygonum montereyense Brenckle Synonym M TRO
Polygonum monticolum Steud. Unresolved L WCSP (in review)
Polygonum morrisonense Hayata Synonym M TRO
Polygonum mucronatum Royle ex Bab. Synonym M TRO
Polygonum muhlenbergii (Meisn.) S. Watson Synonym M TRO
Polygonum muhlenbergii var. natans Wiegand Synonym L TRO
Polygonum multangulare Hook. & Arn. Unresolved L WCSP (in review)
Polygonum multiflorum Thunb. Synonym M WCSP (in review)
Polygonum multiflorum var. angulatum S.Y.Liu Synonym L WCSP (in review)
Polygonum multiflorum var. ciliinerve (Nakai) Steward Synonym L TRO
Polygonum multiflorum var. hypoleucum (Ohwi) T.S.Liu, S.S.Ying & M.J.Lai Synonym L WCSP (in review)
Polygonum multisetum Delile Unresolved L WCSP (in review)
Polygonum muricatum Meisn. Accepted M TRO
Polygonum muriculatum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum muticum Moench Unresolved L WCSP (in review)
Polygonum myosurus Franch. Synonym M TRO
Polygonum myrianthum Boiss. Unresolved L WCSP (in review)
Polygonum myriophyllum H. Gross Synonym M TRO
Polygonum myrtillifolium Kom. Accepted M TRO
Polygonum nakaii (H.Hara) Ohwi Unresolved L WCSP (in review)
Polygonum nanetense Gand. Unresolved L WCSP (in review)
Polygonum nanum Bory Unresolved L WCSP (in review)
Polygonum natans (Michx.) Eaton Synonym M TRO
Polygonum natans f. hartwrightii (A. Gray) Stanford Synonym L TRO
Polygonum natans var. insigne (Greene) Stanford Unresolved L TRO
Polygonum neglectum Besser Synonym M WCSP (in review)
Polygonum neofiliforme Nakai Synonym L TRO
Polygonum nepalense Meisn. Synonym M WCSP (in review)
Polygonum nepalense var. adenothrix Nakai Synonym L TRO
Polygonum nervosum Wallr. Synonym M TRO
Polygonum newberryi Small Synonym L TRO
Polygonum newberryi var. glabrum G.N. Jones Synonym L TRO
Polygonum niloticum Lehm. ex Steud. Unresolved L WCSP (in review)
Polygonum niloticum Meisn. Unresolved L WCSP (in review)
Polygonum nipponense Makino Synonym M TRO
Polygonum nitens (Fisch. & C.A. Mey.) Petrov ex Kom. Synonym M TRO
Polygonum nitidum Ruiz & Pav. Unresolved L WCSP (in review)
Polygonum nodosum Pers. Synonym M WCSP (in review)
Polygonum nodosum var. incanum Ledeb. Synonym L TRO
Polygonum norvegicum Lid Accepted M TRO
Polygonum novae-angliae (Greene) Fedde Unresolved L WCSP (in review)
Polygonum novoascanicum Klokov Synonym M WCSP (in review)
Polygonum novoascanicum subsp. cretaceum Tzvelev Synonym L TRO
Polygonum novoascanicum subsp. psammophilum Bordz. ex Tzvelev Unresolved L WCSP (in review)
Polygonum novum Biroli ex Colla Unresolved L WCSP (in review)
Polygonum nudum Dulac Unresolved L WCSP (in review)
Polygonum nummularifolium Meisn. Accepted M TRO
Polygonum nuristanicum Kitam. Unresolved L WCSP (in review)
Polygonum nuttallii Small Accepted M TRO
Polygonum nyikense Baker Unresolved L WCSP (in review)
Polygonum obliquum Kit. Unresolved L WCSP (in review)
Polygonum obtusifolium Täckh. & Boulos Unresolved L WCSP (in review)
Polygonum obtusifolium Schur Unresolved L WCSP (in review)
Polygonum occidentale Meisn. Unresolved L WCSP (in review)
Polygonum ochotense Petrov ex Kom. Accepted M TRO
Polygonum ochreatum L. Accepted M TRO
Polygonum ochreatum var. laxmannii Popov Synonym L TRO
Polygonum odontopterum (H. Gross) H.W. Kung Synonym M TRO
Polygonum odoratum Lour. Unresolved L WCSP (in review)
Polygonum oenochroon Gand. Unresolved L WCSP (in review)
Polygonum oenophyton Gand. Unresolved L WCSP (in review)
Polygonum oleraceum Schur Unresolved L WCSP (in review)
Polygonum oliganthum Diels Synonym M TRO
Polygonum oligocladum Danser Unresolved L WCSP (in review)
Polygonum oligophyllum Gand. Unresolved L WCSP (in review)
Polygonum oligophyllum Boiss. Unresolved L WCSP (in review)
Polygonum olivascens Rech.f. & Schiman-Czeika Unresolved L WCSP (in review)
Polygonum olivieri Meisn. Unresolved L WCSP (in review)
Polygonum olivieri Jaub. & Spach Unresolved L WCSP (in review)
Polygonum omerostmmum Ohki Unresolved L WCSP (in review)
Polygonum omerostromum Ohki Synonym M TRO
Polygonum omissum Greene Synonym M TRO
Polygonum ooagariense Masam. Unresolved L WCSP (in review)
Polygonum opacum Sam. Synonym M TRO
Polygonum opelousanum Riddell ex Small Synonym M TRO
Polygonum opelousanum var. adenocalyx Stanford Synonym L TRO
Polygonum ophiophilum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum oreganum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum oreophilum (Makino) Ohwi Unresolved L WCSP (in review)
Polygonum orientale L. Synonym M WCSP (in review)
Polygonum orientale var. discolor Benth. Synonym L TRO
Polygonum orientale var. pilosum (Roxb. ex Meisn.) Meisn. Synonym L TRO
Polygonum oryzetorum Blume Synonym M TRO
Polygonum otophyllum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum ovatum B.Heyne Unresolved L WCSP (in review)
Polygonum ovczinnikovii Czukav. Unresolved L WCSP (in review)
Polygonum owenii Bojer Synonym L TRO
Polygonum oxanum Kom. Synonym M TRO
Polygonum oxyphyllum Wall. ex Meisn. Synonym M TRO
Polygonum oxyspermum C.A.Mey. & Bunge Accepted M WCSP (in review)
Polygonum oxyspermum subsp. oxyspermum Accepted L TRO
Polygonum oxyspermum subsp. raii (Bab.) D.A.Webb & Chater Accepted L WCSP (in review)
Polygonum oxyspermum subsp. robertii (Loisel.) Akeroyd & D.A.Webb Accepted L WCSP (in review)
Polygonum pachyrhizum Trautv. Unresolved L WCSP (in review)
Polygonum pachystachyum Raf. Unresolved L WCSP (in review)
Polygonum pacificum Petrov ex Kom. Accepted M TRO
Polygonum palastinum Zohary Unresolved L WCSP (in review)
Polygonum paleaceum Wall. Accepted M TRO
Polygonum paleaceum var. paleaceum Accepted L TRO
Polygonum pallens Gand. Unresolved L WCSP (in review)
Polygonum pallens Pers. Unresolved L WCSP (in review)
Polygonum pallidum With. Synonym M WCSP (in review)
Polygonum palmatum Dunn Accepted M TRO
Polygonum paludicola Makino Synonym M TRO
Polygonum paludosum (Kom.) Kom. Synonym M TRO
Polygonum pamiricum Korsh. Synonym M TRO
Polygonum pamiroalaicum Kom. Synonym M TRO
Polygonum panduriforme H. Lév. & Vaniot Synonym M TRO
Polygonum pangianum (G.D.Pal & Maiti) R.C.Srivast. Unresolved L WCSP (in review)
Polygonum paniculatum Andrz. [Illegitimate] Synonym M WCSP (in review)
Polygonum paniculatum Blume Synonym M TRO
Polygonum paniculatum L. Accepted M TRO
Polygonum paniculatum var. frondosum (Meisn.) Steward Synonym L TRO
Polygonum paniculatum var. rude (Meisn.) Steward Synonym L TRO
Polygonum panjutinii Charkev. Accepted M TRO
Polygonum pannonicum Simonk. Unresolved L WCSP (in review)
Polygonum pannosum S.S.Sharp ex A.Nelson Unresolved L WCSP (in review)
Polygonum papillosum Hartvig Accepted M WCSP (in review)
Polygonum paradoxum Czukav. Synonym M TRO
Polygonum paradoxum H. Lév. Synonym M TRO
Polygonum paraguayense Wedd. Accepted M TRO
Polygonum paralimicola A.J. Li Accepted M TRO
Polygonum paronychia C.A.Mey. Unresolved L WCSP (in review)
Polygonum paronychia Cham. & Schltdl. Unresolved L WCSP (in review)
Polygonum paronychioides C.A. Mey. Accepted M TRO
Polygonum parryi Greene Unresolved L WCSP (in review)
Polygonum parviflorum Y.L. Chang & S.H. Li Synonym M TRO
Polygonum parvifolium Nutt. Unresolved L WCSP (in review)
Polygonum patens D.Don Unresolved L WCSP (in review)
Polygonum patuliforme Vorosch. Unresolved L TRO
Polygonum patuliforrne Vorosch. Unresolved L WCSP (in review)
Polygonum patulum M.Bieb. Accepted M WCSP (in review)
Polygonum patulum subsp. bordzilowskii Soó Synonym L TRO
Polygonum patulum f. gracilius (Ledeb.) I. Grinţ. Synonym L TRO
Polygonum patulum var. gracilius (Ledeb.) Rouy Synonym L TRO
Polygonum patulum subsp. kitaibelianum Asch. & Graebn. Synonym L TRO
Polygonum patulum subsp. kotovii Soó Synonym L TRO
Polygonum patulum subsp. pulchellum (Loisel.) Leblebici Synonym L WCSP (in review)
Polygonum pauciflorum Maxim. Synonym M TRO
Polygonum pawlowskianum Glehn Unresolved L WCSP (in review)
Polygonum pedunculare Wall. ex Meisn. Synonym M TRO
Polygonum pennsylvanicum Torr. Synonym M TRO
Polygonum pensylvanicum L. Synonym M TRO
Polygonum pensylvanicum Bunge Synonym M TRO
Polygonum pensylvanicum var. durum Stanford Synonym L TRO
Polygonum pensylvanicum var. eglandulosum Myers Synonym L TRO
Polygonum pensylvanicum var. laevigatum Fernald Synonym L TRO
Polygonum pensylvanicum var. nesophilum Fernald Synonym L TRO
Polygonum pensylvanicum subsp. oneilii (Brenckle) Hultén Synonym L TRO
Polygonum pensylvanicum var. rosiflorum Norton Synonym L TRO
Polygonum peregrinatoris Paulsen Synonym M TRO
Polygonum perfoliatum (L.) L. Synonym M TRO
Polygonum perforatum Meisn. Synonym M TRO
Polygonum perforatum var. glaciale Meisn. Synonym L TRO
Polygonum perforatum var. laevigatum Meisn. Synonym L TRO
Polygonum pergracile Hemsl. Synonym M TRO
Polygonum perpusillum Hook. f. Synonym L TRO
Polygonum perrottetii Meisn. Unresolved L WCSP (in review)
Polygonum persicaria L. Synonym M WCSP (in review)
Polygonum persicaria subsp. hirticaulis Danser Synonym L TRO
Polygonum persicaria f. humile S.X. Li & Y.L. Chang Synonym L TRO
Polygonum persicaria var. incanum (F.W. Schmidt) Meisn. Synonym L TRO
Polygonum persicaria var. incanum Roth Synonym L TRO
Polygonum persicaria f. latifolium S.X. Li & Y.L. Chang Synonym L TRO
Polygonum persicaria var. opacum (Sam.) A.J. Li Unresolved L TRO
Polygonum persicaria var. persicaria Unresolved L TRO
Polygonum persicaria var. ruderale (Salisb.) Meisn. Synonym L TRO
Polygonum persicaria var. vernicosum Cham. & Schltdl. Synonym L TRO
Polygonum persicarioides Kunth Synonym M TRO
Polygonum persoonii Engelm. ex Meisn. Unresolved L WCSP (in review)
Polygonum peruvianum Meisn. Accepted M TRO
Polygonum petecticale Druce Unresolved L WCSP (in review)
Polygonum petiolatum D. Don Synonym M TRO
Polygonum phytolaccifolium Meisn. ex Small Synonym L TRO
Polygonum pictum Jacques Unresolved L WCSP (in review)
Polygonum piliferum Hedw. Synonym M TRO
Polygonum pilosum Roxb. ex Meisn. Synonym M TRO
Polygonum pilosum (Maxim.) Hemsl. Synonym M TRO
Polygonum pilushanense Y.C. Liu & C.H. Ou Accepted M TRO
Polygonum pinetorum Hemsl. Accepted M TRO
Polygonum pingwuense F.Z.Li, Y.T.Hou & S.J.Fan Unresolved L WCSP (in review)
Polygonum plantagineum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum planum Skvortsov Synonym M TRO
Polygonum plattense (Greene) Fedde Unresolved L WCSP (in review)
Polygonum platycladum F.Muell. Synonym L WCSP (in review)
Polygonum platyphyllum S.X. Li & Y.L. Chang Accepted M TRO
Polygonum plebeium R.Br. Accepted M WCSP (in review)
Polygonum plebeium subsp. changii (Kitag.) Vorosch. Accepted L TRO
Polygonum plebeium var. effusum (Meisn.) Hook. f. Synonym L TRO
Polygonum plumosum Small Synonym M TRO
Polygonum pluriflorum K.Koch Unresolved L WCSP (in review)
Polygonum podlechii Rech.f. & Schiman-Czeika Unresolved L WCSP (in review)
Polygonum podocephalum Klotzsch Unresolved L WCSP (in review)
Polygonum poiretii Meisn. Synonym M TRO
Polygonum poiretii var. madagascariense Meisn. Synonym L TRO
Polygonum poiretii var. madagascariensis Meisn. Synonym L WCSP (in review)
Polygonum polyanthos Bruyn Unresolved L WCSP (in review)
Polygonum polybotryum F.Muell. Unresolved L WCSP (in review)
Polygonum polycephalum Wall. Unresolved L WCSP (in review)
Polygonum polycnemoides Jaub. & Spach Accepted M TRO
Polygonum polygaloides Meisn. Unresolved L WCSP (in review)
Polygonum polygaloides subsp. confertiflorum (Nutt. ex Piper) J.C.Hickman Unresolved L WCSP (in review)
Polygonum polygaloides subsp. esotericum (L.C. Wheeler) J.C. Hickman Unresolved L TRO
Polygonum polygaloides subsp. kelloggii (Greene) J.C.Hickman Unresolved L WCSP (in review)
Polygonum polygaloides var. montanum Brenckle Synonym L TRO
Polygonum polygaloides subsp. polygaloides Unresolved L TRO
Polygonum polygamum Vent. Synonym M TRO
Polygonum polymorphum Ledeb. Unresolved L WCSP (in review)
Polygonum polymorphum var. ajanense Regel & Tiling Synonym L TRO
Polygonum polymorphum var. angustissimum Korsh. Synonym L TRO
Polygonum polymorphum var. foliosum R. Keller Synonym L TRO
Polygonum polymorphum var. lapathifolium (Cham. & Schltdl.) Ledeb. Synonym L TRO
Polygonum polyneuron Franch. & Sav. Synonym M TRO
Polygonum polystachyum Wall. ex Meisn. Synonym M WCSP (in review)
Polygonum polystachyum var. polystachyum Unresolved L TRO
Polygonum popovii Borodina Accepted M TRO
Polygonum porteri (Greene) Fedde Unresolved L WCSP (in review)
Polygonum portoricense Bertero ex Small Synonym M TRO
Polygonum portoricense Bertero ex Endl. Synonym M TRO
Polygonum posumbu Buch.-Ham. ex D. Don Accepted M TRO
Polygonum posumbu var. blumei (Meisn. ex Miq.) Herder Synonym L TRO
Polygonum praelongum Coode & Cullen Unresolved L WCSP (in review)
Polygonum praetermissum Hook. f. Accepted M TRO
Polygonum pratincolum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum pringlei Small Unresolved L WCSP (in review)
Polygonum procumbens Gilib. [Invalid] Synonym M WCSP (in review)
Polygonum procumbens Y.L. Chang & S.X. Li Synonym M TRO
Polygonum proliferum Houtt. Unresolved L WCSP (in review)
Polygonum prolificum (Small) B.L. Rob. Synonym M TRO
Polygonum prolificum var. autumnale (Brenckle) Brenckle Synonym L TRO
Polygonum prolificum var. profusum Brenckle Synonym L TRO
Polygonum pronum C.F. Fang Synonym M TRO
Polygonum propinquum Ledeb. Synonym M WCSP (in review)
Polygonum prostratum Skvortsov Synonym M TRO
Polygonum provinciale K.Koch Unresolved L WCSP (in review)
Polygonum przewalskii A.K. Skvortsov & Borodina Synonym M TRO
Polygonum psammophilum (Bordz. ex Tzvelev) Tzvelev Unresolved L WCSP (in review)
Polygonum pseudoarenarium Klokov Synonym M WCSP (in review)
Polygonum pseudoarenarium subsp. janatae E. Wulf Synonym L TRO
Polygonum × pseudobellardii Hausskn. Unresolved L WCSP (in review)
Polygonum pseudohydropiper Salzm. ex Ball Unresolved L WCSP (in review)
Polygonum × pseudoincanum Klokov Unresolved L WCSP (in review)
Polygonum pseudojaponicum Ohki Unresolved L WCSP (in review)
Polygonum pseudolapathum Schur Unresolved L WCSP (in review)
Polygonum pseudonodosum Ohki Unresolved L WCSP (in review)
Polygonum pseudopalmatum C. Ho Synonym M TRO
Polygonum × pseudopulchellum Hausskn. Unresolved L WCSP (in review)
Polygonum psychrophilum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum pteranthum Kitag. Unresolved L WCSP (in review)
Polygonum pterocarpum Wall. Unresolved L WCSP (in review)
Polygonum pteropus Hance Synonym M TRO
Polygonum pubescens Blume Accepted M TRO
Polygonum pulchellum Loisel. Synonym M WCSP (in review)
Polygonum pulchrum Blume Synonym M WCSP (in review)
Polygonum pulvinatum Kom. Unresolved L WCSP (in review)
Polygonum punctatum Elliott Synonym L WCSP (in review)
Polygonum punctatum Buch.-Ham. ex D. Don Accepted M TRO
Polygonum punctatum var. alatum Buch.-Ham. ex D. Don Synonym L TRO
Polygonum punctatum var. aquatile (Mart.) Fassett Synonym L TRO
Polygonum punctatum var. confertiflorum (Meisn.) Fassett Synonym L TRO
Polygonum punctatum var. eciliatum Small Synonym L TRO
Polygonum punctatum var. ellipticum Fassett Synonym L TRO
Polygonum punctatum var. leptostachyum (Meisn.) Small Synonym L TRO
Polygonum punctatum var. littorale Fassett Synonym L TRO
Polygonum punctatum f. longicollum Fassett Synonym L TRO
Polygonum punctatum var. majus (Meisn.) Fassett Synonym L TRO
Polygonum punctatum var. mexicanum Fassett Synonym L TRO
Polygonum punctatum var. parviflorum Fassett Synonym L TRO
Polygonum punctatum var. parvum Vict. & Rouss. Synonym L TRO
Polygonum punctatum var. riparium (Meisn.) Fassett Synonym L TRO
Polygonum punctatum var. robustius Small Synonym L TRO
Polygonum punctatum f. stipitatum Fassett Synonym L TRO
Polygonum punctatum var. tacubayanum (Nieuwl.) Fassett Synonym L TRO
Polygonum punctatum var. typicum Fassett Synonym L TRO
Polygonum puritanorum Fernald Synonym M TRO
Polygonum purpuratum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum purpureonervosum A.J. Li Accepted M TRO
Polygonum purpureum Gilib. Unresolved L WCSP (in review)
Polygonum pusillum Guss. Ex Nyman Unresolved L WCSP (in review)
Polygonum pusillum Krock. Unresolved L WCSP (in review)
Polygonum pusillum Lam. Unresolved L WCSP (in review)
Polygonum pusporium Gilib. Synonym M TRO
Polygonum pyramidale H. Lév. Synonym M TRO
Polygonum pyramidatum Loisel. Unresolved L WCSP (in review)
Polygonum quadrangulatum M. Martens & Galeotti Synonym M TRO
Polygonum quadrifidum Hayata Synonym M TRO
Polygonum quarrei De Wild. Unresolved L WCSP (in review)
Polygonum radicans Hemsl. Synonym L TRO
Polygonum radicosum Boiss. Unresolved L WCSP (in review)
Polygonum raii Bab. Synonym M WCSP (in review)
Polygonum raii subsp. norvegicum Sam. Synonym L TRO
Polygonum ramiflorum Janka Unresolved L WCSP (in review)
Polygonum ramosissimum Michx. Accepted M WCSP (in review)
Polygonum ramosissimum f. atlanticum B.L. Rob. Synonym L TRO
Polygonum ramosissimum var. prolificum Small Synonym L TRO
Polygonum ramosissimum subsp. prolificum (Small) Costea & Tardif Accepted L TRO
Polygonum ramosissimum subsp. ramosissimum Accepted L TRO
Polygonum ramosospicatum Klotzsch Unresolved L WCSP (in review)
Polygonum ramosum Fisch. ex Hornem. Unresolved L WCSP (in review)
Polygonum ramuliflorum Kitag. Unresolved L WCSP (in review)
Polygonum raptae Buch.-Ham. ex Endl. Unresolved L WCSP (in review)
Polygonum rapte Ham. ex Hook.f. Unresolved L WCSP (in review)
Polygonum rectum H. Scholz Synonym M TRO
Polygonum rectum subsp. virgatum H. Scholz Synonym L TRO
Polygonum recumbens Royle ex Bab. Accepted M TRO
Polygonum refractum Mart. ex Meisn. Unresolved L WCSP (in review)
Polygonum regelianum Kom. Synonym M TRO
Polygonum relictum Kom. Accepted M TRO
Polygonum remotum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum renii L.C. Wang Synonym M TRO
Polygonum repens Meisn. Unresolved L WCSP (in review)
Polygonum restionoides Boiss. & Hausskn. Unresolved L WCSP (in review)
Polygonum retinerve Vorosch. Synonym M TRO
Polygonum reynoutria Makino Synonym M TRO
Polygonum reynoutria var. ellipticum Koidz. Synonym L TRO
Polygonum × rhaeticum Brügger Unresolved L WCSP (in review)
Polygonum rheiflorum Griff. Unresolved L WCSP (in review)
Polygonum rhizocaulon Bruyn Unresolved L WCSP (in review)
Polygonum rhizoxylon Pau & Font Quer Synonym M WCSP (in review)
Polygonum rhyticarium Kuntze Unresolved L WCSP (in review)
Polygonum ribesioides Huber Unresolved L WCSP (in review)
Polygonum richteri Gand. Unresolved L WCSP (in review)
Polygonum rigidulum (Greene) Fedde Accepted M TRO
Polygonum rigidulum E. Sheld. Synonym M TRO
Polygonum rigidum Skvortsov Accepted M TRO
Polygonum riparium Georgi Accepted M TRO
Polygonum rivulare Phil. Synonym M TRO
Polygonum rivulare Roxb. Synonym M TRO
Polygonum robertii Loisel. Synonym M WCSP (in review)
Polygonum robustius (Small) Fernald Synonym M TRO
Polygonum robustum Meisn. Unresolved L WCSP (in review)
Polygonum robynsii De Wild. Unresolved L WCSP (in review)
Polygonum roettleri Roth Unresolved L WCSP (in review)
Polygonum romanum Jacq. Accepted M WCSP (in review)
Polygonum romanum subsp. gallicum (Raffaelli) Raffaelli & L.Villar Accepted L WCSP (in review)
Polygonum roseoviride (Kitag.) S.X. Li & Y.L. Chang Synonym M TRO
Polygonum roseoviride var. manshuricola (Kitag.) C.F. Fang Synonym L TRO
Polygonum rothrockii (Greene) Fedde Unresolved L WCSP (in review)
Polygonum rottboellioides Jaub. & Spach Accepted M TRO
Polygonum rottboellioides var. tibetica (Hook. f.) R.R. Stewart Accepted L TRO
Polygonum rotundatum (A.J.Li) F.Z.Li & C.Y.Qu Unresolved L WCSP (in review)
Polygonum rotundifolium auct. Unresolved L WCSP (in review)
Polygonum roxburghii Meisn. Synonym M TRO
Polygonum royi Gand. Unresolved L WCSP (in review)
Polygonum roylii Bab. Unresolved L WCSP (in review)
Polygonum rubescens Small Synonym M WCSP (in review)
Polygonum rubicundum Sol. ex Meisn. Unresolved L WCSP (in review)
Polygonum rubricaule Cham. Accepted M TRO
Polygonum rubriflorum Friv. ex Meisn. Unresolved L WCSP (in review)
Polygonum rude Meisn. Synonym M TRO
Polygonum ruderale Salisb. Synonym M TRO
Polygonum rugosum Buch.-Ham. ex Endl. Unresolved L WCSP (in review)
Polygonum ruizianum K.Koch Unresolved L WCSP (in review)
Polygonum rumicifolium Royle ex Bab. Synonym L TRO
Polygonum rumicifolium var. cordatum Royle ex Bab. Synonym L TRO
Polygonum rumicifolium var. oblongum Meisn. Synonym L TRO
Polygonum runcinatum Buch.-Ham. ex D. Don Accepted M TRO
Polygonum runcinatum var. exauriculatum Lingelsh. Synonym L TRO
Polygonum runcinatum var. runcinatum Accepted L TRO
Polygonum runcinatum var. sinense Hemsl. Accepted L TRO
Polygonum rupestre Kar. & Kir. Synonym M TRO
Polygonum rupestre (Wedd.) Kuntze Synonym M TRO
Polygonum rurivagum Jord. ex Boreau Accepted M WCSP (in review)
Polygonum ruscinonense Gand. Unresolved L WCSP (in review)
Polygonum ryukyuense Kitag. Unresolved L WCSP (in review)
Polygonum sabulosum Vorosch. Unresolved L WCSP (in review)
Polygonum sachalinense F.Schmidt Synonym M WCSP (in review)
Polygonum sagittatum L. Synonym M WCSP (in review)
Polygonum sagittatum var. boreale Meisn. Synonym L TRO
Polygonum sagittatum var. gracilentum Fernald Synonym L TRO
Polygonum sagittatum var. paludosum Kom. Synonym L TRO
Polygonum sagittatum var. pubescens R.Keller Synonym L WCSP (in review)
Polygonum sagittatum var. sibiricum Meisn. Synonym L TRO
Polygonum sagittatum var. sieboldii (Meisn.) Maxim. ex Kom. Synonym L TRO
Polygonum sagittatum subsp. sieboldii (Meisn.) Vorosch. Synonym L TRO
Polygonum sagittatum var. ussuriense Regel Synonym L TRO
Polygonum sagittifolia (Ortega) Kuntze Synonym M WCSP (in review)
Polygonum sagittifolium H. Lév. & Vaniot Synonym M TRO
Polygonum salebrosum Coode & Cullen Unresolved L WCSP (in review)
Polygonum salicifolium Brouss. ex Willd. Synonym M WCSP (in review)
Polygonum salicifolium Schur [Illegitimate] Synonym M WCSP (in review)
Polygonum salicinum Greene Unresolved L TRO
Polygonum salicornioides Jaub. & Spach Unresolved L WCSP (in review)
Polygonum salinum Baranov & Skvortsov Synonym M TRO
Polygonum salsugineum M.Bieb. Accepted M WCSP (in review)
Polygonum salsuginosum Wallr. Unresolved L WCSP (in review)
Polygonum samarense H.Gross Synonym M WCSP (in review)
Polygonum sambesiacum Hedw. Synonym M TRO
Polygonum sambesicum Schust. Synonym M TRO
Polygonum samsunicum Yild. & Leblebici Unresolved L WCSP (in review)
Polygonum sanguinaria Remy Accepted M TRO
Polygonum sanguineum Larrañaga Unresolved L WCSP (in review)
Polygonum saporoviense Klokov Synonym M WCSP (in review)
Polygonum sarbhanganicum Subba Rao Unresolved L WCSP (in review)
Polygonum sarobiense Rech.f. Unresolved L WCSP (in review)
Polygonum savatieri Nakai Synonym M TRO
Polygonum sawatchense Small Synonym M WCSP (in review)
Polygonum sawatchense subsp. sawatchense Unresolved L TRO
Polygonum scaberulum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum scabridum Willd. ex Meisn. Unresolved L WCSP (in review)
Polygonum scabrinervium Royle ex Bab. Unresolved L WCSP (in review)
Polygonum scabrum Moench Synonym M WCSP (in review)
Polygonum scandens L. Synonym M TRO
Polygonum scandens var. cristatum (Engelm. & A. Gray) Gleason Synonym L TRO
Polygonum scandens var. dentatoalatum (F. Schmidt) Maxim. ex Franch. & Sav. Synonym L TRO
Polygonum scandens var. dumetorum (L.) Gleason Synonym L TRO
Polygonum schimperi Vatke ex Engl. Unresolved L WCSP (in review)
Polygonum schindleri Danser Unresolved L WCSP (in review)
Polygonum schinzii Hedw. Synonym M TRO
Polygonum schinzii J. Schust. Synonym M TRO
Polygonum schischkinii Ivanova, Elena Ilyinichna ex Borodina Accepted M TRO
Polygonum schistosum Czukav. Unresolved L WCSP (in review)
Polygonum × schroeterianum Danser Unresolved L WCSP (in review)
Polygonum schugnanicum Kom. Synonym M TRO
Polygonum schurii Fuss Unresolved L WCSP (in review)
Polygonum schychowscii Andrz. Unresolved L WCSP (in review)
Polygonum schychowscii Andrz. ex Trautv. Unresolved L WCSP (in review)
Polygonum scoparium Req. ex Loisel. Accepted M WCSP (in review)
Polygonum scopulinum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum scythicum Klokov Synonym M WCSP (in review)
Polygonum segetale Lindm. Unresolved L WCSP (in review)
Polygonum segetum Kunth Synonym M WCSP (in review)
Polygonum segetum var. verrucosum Stanford Synonym L TRO
Polygonum semidanubiale Danser Unresolved L WCSP (in review)
Polygonum semilanceifolium Danser Unresolved L WCSP (in review)
Polygonum semilatum Danser Unresolved L WCSP (in review)
Polygonum semisyringifolium Danser Unresolved L WCSP (in review)
Polygonum senegalense Meisn. Synonym M WCSP (in review)
Polygonum senegalense subsp. albotomentosum (R.A.Graham) Germish. Synonym L WCSP (in review)
Polygonum senegalense f. albotomentosum R.A.Graham Synonym L WCSP (in review)
Polygonum senegalense var. robustum Cavaco Synonym L TRO
Polygonum senegalense f. senegalense Unresolved L TRO
Polygonum senticosum (Meisn.) Franch. & Sav. Accepted L TRO
Polygonum senticosum var. formosanum Ohwi Synonym L TRO
Polygonum senticosum var. sagittifolium (H. Lév. & Vaniot) C.W. Park Synonym L TRO
Polygonum sentivosum Franch. & Sav. Unresolved L WCSP (in review)
Polygonum sericeum Pall. ex Georgi Accepted M TRO
Polygonum serotinum Ten. Unresolved L WCSP (in review)
Polygonum serotinum Raf. Unresolved L WCSP (in review)
Polygonum serpyllaceum Jaub. & Spach Accepted M TRO
Polygonum serratum Poir. Synonym M TRO
Polygonum serrulatoides H.Lindb. Synonym M WCSP (in review)
Polygonum serrulatum Lag. Synonym M WCSP (in review)
Polygonum setaceum Baldwin Synonym M TRO
Polygonum setaceum var. interjectum Fernald Synonym L TRO
Polygonum setaceum var. tonsum Fernald Synonym L TRO
Polygonum setigerum Wedd. Synonym M TRO
Polygonum setosulum A. Rich. Synonym M TRO
Polygonum setosum Raf. Unresolved L WCSP (in review)
Polygonum setosum Jacq. Unresolved L WCSP (in review)
Polygonum setosum Ruiz & Pav. Unresolved L WCSP (in review)
Polygonum shastense Brewer ex A.Gray Unresolved L WCSP (in review)
Polygonum shiheziense F.Z. Li, Y.T. Hou & F.J. Lu Accepted M TRO
Polygonum shuchengense Z.Z. Zhou Synonym M TRO
Polygonum sibiricum Laxm. Accepted M TRO
Polygonum sibiricum var. nanum Meisn. Synonym L TRO
Polygonum sibiricum var. sibiricum Accepted L TRO
Polygonum sibiricum subsp. thomsonii (Meisn. ex Steward) Rech. f. & Schiman-Czieka Synonym L TRO
Polygonum sibiricum var. thomsonii Meisn. ex Steward Synonym L TRO
Polygonum sibiricum var. thomsonii Meisn. Accepted L TRO
Polygonum siculum Tod. ex Lojac. Unresolved L WCSP (in review)
Polygonum sieboldii Meisn. Synonym M TRO
Polygonum sieboldii var. pratense Y.L. Chang & S.X. Li Synonym L TRO
Polygonum sinarum Desv. ex Meisn. Unresolved L WCSP (in review)
Polygonum sinense J.F. Gmel. Synonym M TRO
Polygonum sinicum (Migo) Fang & Zheng Synonym M TRO
Polygonum sinomontanum Sam. Accepted M TRO
Polygonum sinuatum Royle ex Bab. Synonym M TRO
Polygonum sivasicum Kit Tan & Yildiz Unresolved L WCSP (in review)
Polygonum smallii Kongar Synonym M TRO
Polygonum snijmaniae S.Ortiz Unresolved L WCSP (in review)
Polygonum sodo-folium Larrañaga Unresolved L WCSP (in review)
Polygonum somdevae Aswal & Mehrotra Unresolved L WCSP (in review)
Polygonum somphocarpum Bruyn Unresolved L WCSP (in review)
Polygonum songaricum Schrenk Accepted M TRO
Polygonum spaethii Damm. Synonym M TRO
Polygonum sparsiflorum Vorosch. Unresolved L WCSP (in review)
Polygonum sparsipilosum A.J. Li Accepted M TRO
Polygonum sparsipilosum var. hubertii (Lingelsh.) A.J. Li Accepted L TRO
Polygonum sparsipilosum var. sparsipilosum Accepted L TRO
Polygonum speciosum Meisn. Synonym M TRO
Polygonum spectabile Lehm. Synonym M WCSP (in review)
Polygonum spectabile Mart. ex Meisn. Synonym M TRO
Polygonum spectabile var. incanum Meisn. Synonym L TRO
Polygonum spectabile var. minor Chodat Synonym L TRO
Polygonum spectabile var. patagonica Speg. Synonym L TRO
Polygonum spergulariiforme Meisn. ex Small Accepted M TRO
Polygonum sphaerocephalum Wall. ex Meisn. Synonym M TRO
Polygonum sphaerostachyum Meisn. Synonym M TRO
Polygonum spinosum H.Gross Unresolved L WCSP (in review)
Polygonum spinulosum Bojer ex Meisn. Unresolved L WCSP (in review)
Polygonum spirale Noronha Unresolved L WCSP (in review)
Polygonum splendens Klotzsch Unresolved L WCSP (in review)
Polygonum squamosum Raf. Unresolved L WCSP (in review)
Polygonum stagninum Buch.-Ham. ex Meisn. Synonym M TRO
Polygonum stans Kitag. Synonym M TRO
Polygonum statice H. Lév. Synonym M TRO
Polygonum staticiflorum Wall. Unresolved L WCSP (in review)
Polygonum stellatotomentosum W.W. Sm. & Ramasw. Synonym M TRO
Polygonum stelligerum Cham. Accepted M TRO
Polygonum stenobelonum Danser Unresolved L WCSP (in review)
Polygonum stenophyllum Meisn. Synonym M TRO
Polygonum sterile Nakai Synonym M TRO
Polygonum sterile var. brevistylum (Nakai) Nakai Synonym L TRO
Polygonum stevensii Brenckle Synonym M TRO
Polygonum stoloniferum F. Schmidt Synonym M TRO
Polygonum striatulum B.L. Rob. Accepted M TRO
Polygonum striatulum var. texense (M.C. Johnst.) Costea & Tardif Synonym L TRO
Polygonum striatum K. Koch Synonym M TRO
Polygonum stricticaule Gand. Unresolved L WCSP (in review)
Polygonum strigillosum Zipp. ex Miq. Unresolved L WCSP (in review)
Polygonum strigosum R.Br. Synonym M WCSP (in review)
Polygonum strigosum var. hastatosagittatum (Makino) Steward Synonym L TRO
Polygonum strigosum var. muricatum (Meisn.) Stew. Synonym L TRO
Polygonum strigosum var. pedunculare (Wall. ex Meisn.) Steward Synonym L TRO
Polygonum strindbergii J. Schust. Accepted M TRO
Polygonum stuckertii Gand. Unresolved L WCSP (in review)
Polygonum styligerum Bruyn Unresolved L WCSP (in review)
Polygonum stypticum Cham. & Schltdl. Accepted M TRO
Polygonum subalatum Samp. Unresolved L WCSP (in review)
Polygonum subaphyllum Sumnev. Unresolved L WCSP (in review)
Polygonum subauriculatum Petrov ex Kom. Accepted M TRO
Polygonum subcordatum Miq. Unresolved L WCSP (in review)
Polygonum subcoriaceum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum subincanum Mart. Unresolved L WCSP (in review)
Polygonum subsagittatum (De Wild.) C.W.Park Unresolved L WCSP (in review)
Polygonum subscaposum Diels Accepted M TRO
Polygonum × subsericeum Popov Accepted M TRO
Polygonum subsessile R.Br. Unresolved L WCSP (in review)
Polygonum suffruticosum Salzm. ex Ball Unresolved L WCSP (in review)
Polygonum suffruticulosum Gand. Unresolved L WCSP (in review)
Polygonum suffultoides A.J. Li Accepted M TRO
Polygonum suffultum Maxim. Accepted M TRO
Polygonum suffultum var. pergracile (Hemsl.) Sam. Accepted L TRO
Polygonum suffultum var. suffultum Accepted L TRO
Polygonum suifunense Vorosch. & N.S.Pavlova Unresolved L WCSP (in review)
Polygonum sumatranum Gand. Unresolved L WCSP (in review)
Polygonum sumatranum Bruyn Unresolved L WCSP (in review)
Polygonum sungareense (Kitag.) Kitag. Synonym M TRO
Polygonum sungareense f. rubiflorum S.X. Li & Y.L. Chang Synonym L TRO
Polygonum sylvaticum Skvortsov Unresolved L WCSP (in review)
Polygonum syringifolium Danser Unresolved L WCSP (in review)
Polygonum tachengense F.Z.Li, Y.T.Hou & F.J.Lu Unresolved L WCSP (in review)
Polygonum taipaishanense H.W. Kung Synonym L TRO
Polygonum tairae Ohwi Unresolved L WCSP (in review)
Polygonum taliense Lingelsh. Synonym M TRO
Polygonum tamnifolium Kunth Synonym M WCSP (in review)
Polygonum tamnifolium var. xerocarpum Kuntze Synonym L TRO
Polygonum tanganikae J.Schust. Unresolved L WCSP (in review)
Polygonum taquetii H. Lév. Accepted M TRO
Polygonum tarmense Ruiz ex Meisn. Unresolved L WCSP (in review)
Polygonum tataricum L. Synonym M WCSP (in review)
Polygonum tataricum Wall. ex D. Don Synonym M TRO
Polygonum tatewakianum Koji Ito Unresolved L WCSP (in review)
Polygonum tenellum Blume Synonym M TRO
Polygonum tenellum var. kawagoeanum (Makino) Murata Synonym L TRO
Polygonum tenellum var. micranthum (Meisn.) C.Y. Wu Synonym L TRO
Polygonum tenerum Spreng. Unresolved L WCSP (in review)
Polygonum tenoreanum E.Nardi & Raffaelli Accepted L WCSP (in review)
Polygonum tenue Michx. Accepted M TRO
Polygonum tenue var. commune Engelm. Synonym L TRO
Polygonum tenue var. latifolium Engelm. Synonym L TRO
Polygonum tenue var. microspermum Engelm. Synonym L TRO
Polygonum tenue var. protrusum Fernald Synonym L TRO
Polygonum tenuicaule Bisset & S.Moore Unresolved L WCSP (in review)
Polygonum tenuifolium H.W. Kung Synonym M TRO
Polygonum tenuissimum A.I.Baranov & Skvortsov ex Vorosch. Unresolved L WCSP (in review)
Polygonum tephioides D.Parodi Unresolved L WCSP (in review)
Polygonum terrestre Hegetschw. Unresolved L WCSP (in review)
Polygonum tetragonum Blume Synonym M TRO
Polygonum texense M.C. Johnst. Synonym M TRO
Polygonum thevenaei Lesp. Unresolved L WCSP (in review)
Polygonum thunbergii Siebold & Zucc. Accepted M TRO
Polygonum thunbergii f. bicovexum (Hayata) Liu et al. Synonym L TRO
Polygonum thunbergii var. maackianum Maxim. ex Franch. & Sav. Synonym L TRO
Polygonum thunbergii var. spicatum H. Lév. Synonym L TRO
Polygonum thunbergii var. stoloniferum (F. Schmidt) Makino Synonym L TRO
Polygonum thymifolium Jaub. & Spach Accepted M TRO
Polygonum tibeticum Hemsl. Accepted M TRO
Polygonum tiflisiense Kom. Unresolved L WCSP (in review)
Polygonum tiliifolium (Wedd.) Kuntze Synonym M TRO
Polygonum tinctorium Aiton Synonym M WCSP (in review)
Polygonum todaroi Lojac. Unresolved L WCSP (in review)
Polygonum toktogulicum Lazkov Unresolved L WCSP (in review)
Polygonum tomentosum Schrank Synonym M WCSP (in review)
Polygonum tomentosum Willd. [Illegitimate] Synonym M WCSP (in review)
Polygonum torquatum Bruijn Synonym M TRO
Polygonum torreyi S. Watson Synonym M TRO
Polygonum tortuosum D. Don Accepted M TRO
Polygonum tortuosum (Losinsk.) Lovelius Synonym L TRO
Polygonum tortuosum var. spicatum Hook. f. Synonym L TRO
Polygonum tortuosum var. tibetanum Meisn. Synonym L TRO
Polygonum triandrous Coolidge Unresolved L WCSP (in review)
Polygonum triandrum Coolidge Synonym M TRO
Polygonum triangulare Wall. Unresolved L WCSP (in review)
Polygonum triangulum E.P. Bicknell ex Small Synonym M TRO
Polygonum trigonocarpum (Makino) Kudô & Masam. Accepted M TRO
Polygonum tripterocarpum A. Gray ex Rothr. Accepted M TRO
Polygonum tristachyum Baker Synonym M TRO
Polygonum tristachyum H. Lév. Synonym M TRO
Polygonum tropicum K.Koch Unresolved L WCSP (in review)
Polygonum truellum Koidz. Unresolved L WCSP (in review)
Polygonum truncatum A.Rich. Unresolved L WCSP (in review)
Polygonum truncatum Zoll. & Moritzi Unresolved L WCSP (in review)
Polygonum tsangschanicum Lingelsh. & Borza Synonym M TRO
Polygonum tubulosum Boiss. Synonym M TRO
Polygonum tubulosum var. tibetica Hook. f. Synonym L TRO
Polygonum tumidum Delile Unresolved L WCSP (in review)
Polygonum tumidum Aucher ex Meisn. Unresolved L WCSP (in review)
Polygonum turgidum Thuill. Accepted M TRO
Polygonum turkestanicum Sumnev. Unresolved L WCSP (in review)
Polygonum typhoniifolium Hance Synonym L TRO
Polygonum umbellatum (Houtt.) Koidz. Unresolved L WCSP (in review)
Polygonum umbrosum Sam. Accepted M TRO
Polygonum undulatum Murray [Illegitimate] Synonym M WCSP (in review)
Polygonum undulatum Berg. Accepted M TRO
Polygonum uniflorum Y.X. Ma & Y.T. Zhao Synonym M TRO
Polygonum unifolium Small ex Rydb. Synonym M TRO
Polygonum urgellense Sennen Unresolved L WCSP (in review)
Polygonum urophyllum Bureau & Franch. Synonym M TRO
Polygonum uruguense H. Gross Synonym M TRO
Polygonum urumqiense F.Z. Li, Y.T. Hou & F.J. Lu Accepted M TRO
Polygonum ussuriense (Regel) Nakai Synonym M TRO
Polygonum utahensis Brenckle & Cottam Accepted M TRO
Polygonum utriculatum Remy Synonym M TRO
Polygonum utriculosum Tikovsky Synonym M TRO
Polygonum uvifera L. Synonym M TRO
Polygonum vacciniifolium Wall. ex Meisn. Accepted M TRO
Polygonum vacciniifolium var. flagelliforme Wall. ex Meisn. Synonym L TRO
Polygonum vacciniifolium var. medium Wall. ex Meisn. Synonym L TRO
Polygonum vacciniifolium var. obtusifolium Wall. ex Meisn. Synonym L TRO
Polygonum vagans Greene Unresolved L WCSP (in review)
Polygonum valdivianum Phil. Unresolved L WCSP (in review)
Polygonum valerii A.K.Skvortsov Unresolved L WCSP (in review)
Polygonum vanictianum H.Lév. Unresolved L WCSP (in review)
Polygonum vaniotianum (H. Lév.) H. Lév. Synonym M TRO
Polygonum varians Kuntze Unresolved L WCSP (in review)
Polygonum vellosoi Toledo Unresolved L WCSP (in review)
Polygonum venantianum Clementi Synonym M WCSP (in review)
Polygonum vernale (Nakai) Makino & Nemoto Unresolved L WCSP (in review)
Polygonum vernum Raf. Unresolved L WCSP (in review)
Polygonum verticillatum Biroli ex Colla Unresolved L WCSP (in review)
Polygonum vestitum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum vesulum Gand. Unresolved L WCSP (in review)
Polygonum villosulum (Greene) Fedde Unresolved L WCSP (in review)
Polygonum virgatum Cham. & Schltdl. Synonym M TRO
Polygonum virginianum L. Synonym M TRO
Polygonum virginianum var. filiforme (Thunb.) Nakai Synonym L TRO
Polygonum virginianum var. filiforme (Thunb.) Merr. Synonym L TRO
Polygonum virginianum var. glaberrimum (Fernald) Steyerm. Unresolved L TRO
Polygonum virginianum f. glabratum Matsuda Synonym L TRO
Polygonum viridiflorum Poir. Synonym M TRO
Polygonum viscoferum Makino Accepted M TRO
Polygonum viscoferum var. robustum Makino Synonym L TRO
Polygonum viscosum Buch.-Ham. ex D. Don Accepted M TRO
Polygonum viscosum var. minus Hook. f. Synonym L TRO
Polygonum viviparum L. Synonym L WCSP (in review)
Polygonum viviparum f. alpinum (Wahlenb.) Polunin Unresolved L TRO
Polygonum viviparum var. alpinum Wahlenb. Synonym L TRO
Polygonum viviparum var. angustum A.J. Li Synonym L TRO
Polygonum viviparum var. macounii (Small) Hultén Synonym L TRO
Polygonum viviparum var. tenuifolium (H.W. Kung) Y.L. Liu Unresolved L TRO
Polygonum viviparum var. viviparum Unresolved L TRO
Polygonum vladimiri Czerep. Accepted M TRO
Polygonum volcanicum Benth. Synonym M WCSP (in review)
Polygonum volchovense Tzvelev Unresolved L WCSP (in review)
Polygonum volubile Turcz. Synonym M TRO
Polygonum vulgare Gueldenst. Unresolved L WCSP (in review)
Polygonum vvedenskyi SUMNER Accepted M TRO
Polygonum wallichii Meisn. Accepted M TRO
Polygonum wardii (Greene) Fedde Unresolved L WCSP (in review)
Polygonum watsonii Small Synonym M WCSP (in review)
Polygonum wellensii De Wild. Unresolved L WCSP (in review)
Polygonum weyrichii F. Schmidt Accepted M TRO
Polygonum weyrichii var. alpinum Maxim. ex Franch. & Sav. Synonym L TRO
Polygonum yamatutae Kitag. Synonym M TRO
Polygonum yatagaianum T.Mori Unresolved L WCSP (in review)
Polygonum yokusaianum Makino Synonym M TRO
Polygonum yunnanense (H. Gross) H. Lév. Synonym L TRO
Polygonum zakirovii Czevrenidi Unresolved L TRO
Polygonum zaravschanicum Zak. Accepted M TRO
Polygonum zeaense Kom. Synonym L TRO
Polygonum zigzag H. Lév. & Vaniot Synonym M TRO
Polygonum zippelii Meisn. Unresolved L WCSP (in review)
Polygonum zonulatum Noronha Unresolved L WCSP (in review)
Polygonum zuccarinii Small Synonym M TRO