Potamogeton rutilus f. simplicissimus Tiselius form synonym Potamogeton ×ripensis f. brevousculus Hagstr. form synonym Potamogeton ×zizii f. coriaceus (Mert. & W.D.J.Koch) Hagstr. form synonym Potamogeton rufescens f. angustifolius Cham. form synonym Potamogeton alpinus subsp. subflavus (Loret & Barrandon) Graebn. subspecies synonym Potamogeton ×nitens f. extensus Tiselius form homotypic synonym Potamogeton ×franconicus f. longipes Hagstr. form synonym Potamogeton ×nitens f. speciosus Tiselius form synonym Potamogeton ×nitens f. subtilis (Tiselius) Graebn. form synonym Potamogeton lucens var. mucronatus Corb. variety synonym Potamogeton lucens f. excelsus Hagstr. form synonym Potamogeton crispus var. laevis Merino variety synonym Potamogeton perfoliatus f. imbecillus Tiselius form synonym Potamogeton ×zizii f. longipedunculatus (Tiselius) Baagøe form synonym Potamogeton ×nitens f. praelongifolius (Tiselius) Hagstr. form synonym Potamogeton praelongus f. curvatus Hagstr. form synonym Potamogeton upsaliensis f. intercedens Tiselius form synonym Potamogeton ×nitens f. maritimus Tiselius form synonym Potamogeton lucens var. lucescens Tiselius variety synonym Potamogeton heterophyllus var. fluctuans Tiselius variety homotypic synonym Potamogeton gramineus f. angustifolius Tiselius ex Hagstr. form synonym Potamogeton perfoliatus f. longifolius Tiselius form synonym Potamogeton alpinus var. rivularis (Hartm.) Hagstr. variety synonym Potamogeton alpinus f. minor (Hartm.) Hagstr. form synonym Potamogeton gramineus f. jemtlandicus Tiselius form synonym Potamogeton pusillus var. minutissimus Mert. & W.D.J.Koch variety homotypic synonym Potamogeton lucens var. subviridis Tiselius variety synonym Potamogeton ×nitens f. subovalis Hagstr. form synonym Potamogeton lucens var. decipiens (Nolte ex W.D.J.Koch) Syme variety synonym Potamogeton ×nitens f. subsimilis Tiselius ex Hagstr. form synonym Potamogeton ×decipiens f. pulchellus Tiselius form synonym Potamogeton natans var. polygonifolius (Pourr.) Fiori & Paol. variety synonym Potamogeton trichoides subsp. condylocarpus (Tausch) Asch. & Graebn. subspecies synonym Potamogeton rufescens var. spathulatus (Schrad.) C.Hartm. variety synonym Potamogeton ×nitens f. perfoliatifolius Tiselius form synonym Potamogeton lucens var. foliosus Tiselius variety synonym Potamogeton gramineus var. debilis Tiselius variety synonym Potamogeton natans f. fluviatilis (Fr.) Hagstr. form synonym Potamogeton alpinus f. gracilior Tiselius form synonym Potamogeton gramineus var. fluctuans (Tiselius ex Fryer) Tiselius variety synonym Potamogeton gramineus f. septentrionalis (Tiselius) Hagstr. form synonym Potamogeton rufescens var. nervigerus (Wolfg.) Nyman variety synonym Potamogeton ×nitens f. extensus Tiselius ex Hagstr. form synonym Potamogeton ×franconicus var. spicosus Hagstr. variety synonym Potamogeton ×nitens f. subsimilis Tiselius form homotypic synonym Potamogeton heterophyllus var. fluctuans Tiselius ex Fryer variety synonym Potamogeton polygonifolius subsp. lancifolius Asch. & Graebn. subspecies synonym Potamogeton rufescens f. latifolius Cham. form synonym Potamogeton seemenii f. lanceolatifolius (Tiselius) Hagstr. form synonym Potamogeton pusillus var. minutissimus Mert. & W.D.J.Koch ex Merino variety synonym Potamogeton ×decipiens var. longifolius Hagstr. variety synonym Potamogeton ×nitens f. stenobasis Hagstr. form synonym Potamogeton ×nitens f. spicosus Hagstr. form synonym Potamogeton ×cognatus f. varmingii Baagøe ex Hagstr. form synonym Potamogeton crispus subsp. angustifolius Gaudin subspecies synonym Potamogeton praelongus f. elegans Tiselius form synonym Potamogeton zosterifolius f. magnus Tiselius form synonym Potamogeton heterophyllus var. gramineus (L.) Rchb. variety synonym Potamogeton ×cognatus var. laevis Hagstr. variety synonym Potamogeton perfoliatus f. simplex Tiselius form synonym Potamogeton ×nitens f. maelarensis Tiselius form synonym Potamogeton ×decipiens f. memelanus Hagstr. form synonym Potamogeton gramineus var. fluviatilis Fr. variety synonym Potamogeton plantagineus f. terrestris Tiselius form synonym Potamogeton seemenii var. subcuspidatus (Hagstr.) Hagstr. variety synonym Potamogeton alpinus f. borealis Tiselius form synonym Potamogeton alpinus f. iteratus Tiselius form synonym Potamogeton polygonifolius var. amphibius (Fr.) Hagstr. variety synonym Potamogeton ×nitens f. robustior Tiselius form homotypic synonym Potamogeton ×nitens var. innominatus Tiselius variety synonym Potamogeton ×nitens f. brevipes Hagstr. form synonym Potamogeton gramineus f. ovatifolius Tiselius form synonym Potamogeton polygonifolius f. largior Tiselius form synonym Potamogeton gramineus f. sinuensis Tiselius form synonym Potamogeton alpinus var. minor (Hartm.) Hagstr. variety synonym Potamogeton ×nitens var. merloensis Tiselius variety synonym Potamogeton lucens var. splendisissimus Tiselius variety synonym Potamogeton ×spathulatus f. svecicus Hagstr. form synonym Potamogeton ×decipiens f. major Tiselius form synonym Potamogeton ×nitens f. elongatus Baagøe ex Hagstr. form synonym Potamogeton panormitanus Biv. ex Guss. species synonym Potamogeton ×nitens var. subtilis Tiselius variety synonym Potamogeton gramineus var. intermedius (Tiselius) Druce variety synonym Potamogeton ×fluitans var. rivularis Lange variety synonym Potamogeton gramineus var. stenophyllus G.Mey. variety synonym Potamogeton alpinus f. linearifolius (Hagstr.) Hagstr. form synonym Potamogeton alpinus f. brevifolius Tiselius form synonym Potamogeton ×decipiens var. brevifolius Hagstr. variety synonym Potamogeton ×nitens f. vadosus Tiselius form synonym Potamogeton perfoliatus f. prolixus Hagstr. form synonym Potamogeton ×decipiens f. upsaliensis (Tiselius ex Asch. & Graebn.) Hagstr. form synonym Potamogeton oblongus f. angustifolius Fr. form synonym Potamogeton ×intermedius Tiselius species homotypic synonym Potamogeton ×nitens f. intermedius (Tiselius) Hagstr. form synonym Potamogeton lucens var. confertus Tiselius variety synonym Potamogeton ×cognatus f. varmingii Baagøe form homotypic synonym Potamogeton polygonifolius subsp. cordifolius Asch. & Graebn. subspecies synonym Potamogeton gramineus f. angermanicus Tiselius form synonym Potamogeton rufescens subsp. nervigerus (Wolfg.) K.Richt. subspecies synonym Potamogeton ×nitens f. lacuum Hagstr. form synonym Potamogeton natans f. terrestris (Gray) Hagstr. form synonym Potamogeton distinctus var. lishuiensis M.R.Zhu & W.Y.Xie variety synonym Potamogeton gramineus f. fluctuans (Tiselius ex Fryer) Hagstr. form synonym Potamogeton alpinus var. purpurascens (Seidl ex J.Presl & C.Presl) Asch. & Graebn. variety synonym Potamogeton plantagineus f. terrestris Tiselius ex Hagstr. form synonym Potamogeton ×decipiens var. upsaliensis Tiselius variety homotypic synonym Potamogeton ×zizii f. longipetiolatus (Tiselius) E.Baumann form synonym Potamogeton ×nitens var. curvifolius (Hartm.) C.Hartm. variety synonym Potamogeton ×ripensis f. apicatus Hagstr. form synonym Potamogeton gramineus var. curvifolius Laest. variety synonym Potamogeton ×nitens var. heterophyllus Fr. variety synonym Potamogeton perfoliatus f. simplex Tiselius ex Hagstr. form synonym Potamogeton ×nitens f. laestadii Hagstr. form synonym Potamogeton ×decipiens var. latifolius Hagstr. variety synonym Potamogeton gramineus f. wolfgangii (Kihlm.) Hagstr. form synonym Potamogeton alpinus f. latifolius (Cham.) Hagstr. form synonym Potamogeton gramineus var. hybridus (Petagna) Asch. variety synonym Potamogeton ×innominatus (Tiselius) P.Fourn. species synonym Potamogeton ×nitens f. fyrisensis Tiselius form synonym Potamogeton ×nitens var. praelongifolius Tiselius variety synonym Potamogeton ×decipiens var. upsaliensis Tiselius ex Asch. & Graebn. variety synonym Potamogeton lucens var. insignis (Tiselius) Druce variety synonym Potamogeton ×nitens f. comparandus Tiselius form synonym Potamogeton natans f. rotundifolius (Bréb.) Hagstr. form synonym Potamogeton ×nitens f. obtusus Hagstr. form synonym Potamogeton ×nitens f. brevior Hagstr. form synonym Potamogeton alpinus f. gracillimus Hagstr. form synonym Potamogeton alpinus f. angustifolius (Cham.) Hagstr. form synonym Potamogeton seemenii f. subcuspidatus Hagstr. form synonym Potamogeton gramineus var. septentrionalis Tiselius variety synonym Potamogeton perfoliatus f. acutifolius Hagstr. form synonym Potamogeton lucens var. fluviatilis Thore variety synonym Potamogeton natans var. subnatans Wahlenb. variety synonym Potamogeton pusillus f. pygmaeus Hagstr. form synonym Potamogeton ×cognatus var. denticulatus Hagstr. variety synonym Potamogeton gramineus f. stagnalis (Fr.) Hagstr. form synonym Potamogeton ×nitens f. gotlandicus Hagstr. form synonym Potamogeton perfoliatus var. ovatolanceolatus (Rchb.) Blytt variety synonym Potamogeton ×zizii f. lucescens (Tiselius) Hagstr. form synonym Potamogeton perfoliatus f. densifolius Tiselius form synonym Potamogeton polygonifolius f. sphagnophilus Neuman form synonym Potamogeton ×nitens f. elongatus Baagøe form homotypic synonym Potamogeton ×franconicus var. dichtomus Hagstr. variety synonym Potamogeton lucens f. macrophyllus (Wolfg.) Hagstr. form synonym Potamogeton alpinus var. nervigerus (Wolfg.) G.Fisch. variety synonym Potamogeton natans var. acaulis Wahlb. variety synonym Potamogeton ×fluitans var. canariensis (Link) Webb & Berthel. variety synonym Potamogeton alpinus f. longifolius Tiselius form synonym Potamogeton ×nitens f. merloensis (Tiselius) Hagstr. form synonym Potamogeton lucens f. terrestris Tiselius form synonym Potamogeton ×nitens f. robustior Tiselius ex Hagstr. form synonym Potamogeton pusillus var. minutissimus Mert. & W.D.J.Koch ex Corb. variety synonym Potamogeton praelongus var. elegans (Tiselius) Graebn. variety synonym Potamogeton ×decipiens f. transiens Tiselius form synonym Potamogeton ×nitens var. intermedius Tiselius variety synonym Potamogeton ×zizii f. foliosus (Tiselius) Hagstr. form synonym Potamogeton gramineus f. angustifolius Tiselius form homotypic synonym Potamogeton natans var. coloratus (Hornem.) Fiori & Paol. variety synonym Potamogeton ×decipiens f. torssanderi Tiselius form synonym Potamogeton alpinus var. linearifolius Hagstr. variety synonym Potamogeton rufescens var. minor Hartm. variety proparte synonym Potamogeton alpinus f. purpurascens (Seidl. ex J.Presl & C.Presl) Hagstr. form proparte synonym Potamogeton rufescens var. major Hartm. variety proparte synonym Potamogeton berchtoldii x friesii species synonym Potamogeton gramineus × nodosus species accepted Potamogeton perfoliatus × Potamogeton richardsonii species synonym Potamogeton compressus x obtusifolius species synonym Potamogeton berchtoldii x obtusifolius species synonym Potamogeton acutifolius × berchtoldii species accepted Potamogeton gramineus × lucens × polygonifolius species accepted Potamogeton gramineus x lucens x perfoliatus species synonym Potamogeton natans x perfoliatus species synonym Potamogeton berchtoldii × compressus species accepted Potamogeton compressus × trichoides species accepted Potamogeton berchtoldii × trichoides species accepted Potamogeton gramineus × perfoliatus species accepted Potamogeton coloratus × gramineus species accepted Potamogeton lucens x nodosus species synonym Potamogeton berchtoldii x compressus species synonym Potamogeton natans × perfoliatus species accepted Potamogeton alpinus × gramineus species accepted Potamogeton gramineus x lucens x polygonifolius species synonym Potamogeton acutifolius × compressus species accepted Potamogeton acutifolius x compressus species accepted Potamogeton alpinus × perfoliatus species accepted Potamogeton compressus × obtusifolius species accepted Potamogeton gramineus x nodosus species synonym Potamogeton berchtoldii × friesii species accepted Potamogeton lucens × praelongus species accepted Potamogeton alpinus x crispus species synonym Potamogeton alpinus × crispus species accepted Potamogeton gramineus x praelongus species synonym Potamogeton lucens x praelongus species synonym Potamogeton berchtoldii x pusillus species synonym Potamogeton perfoliatus × praelongus species accepted Potamogeton friesii x pusillus species synonym Potamogeton alpinus x perfoliatus species synonym Potamogeton friesii x obtusifolius species synonym Potamogeton friesii × obtusifolius species accepted Potamogeton natans x nodosus species accepted Potamogeton gramineus x perfoliatus species accepted Potamogeton lucens × nodosus species accepted Potamogeton coloratus x gramineus species synonym Potamogeton gramineus × lucens species accepted Potamogeton friesii x trichoides species synonym Potamogeton crispus × perfoliatus species accepted Potamogeton crispus x praelongus species synonym Potamogeton alpinus × natans species accepted Potamogeton gramineus × lucens × perfoliatus species accepted Potamogeton gramineus x polygonifolius species synonym Potamogeton acutifolius x berchtoldii species synonym Potamogeton berchtoldii × obtusifolius species accepted Potamogeton montezumawellensis Ricketson, G.M.Ricketson & Greenawalt species accepted Potamogeton parnassifolius Schrad. ex Roem. & Schult., 1818 species accepted Potamogeton ×tosaensis Kadono, Horii & T.Yaman. species accepted Potamogeton ×khuzestanicus S.Abbasi, Afsharz. & Dinarvand species accepted Potamogeton kupfferii A.Benn., 1928 species accepted Potamogeton raunkiaeri G.Fisch. species accepted Potamogeton compressus subsp. zosteriformis (Fernald) subspecies synonym Potamogeton pusillus subsp. africanus A.Benn. subspecies synonym Potamogeton gramineus subsp. unranked Fr. subspecies synonym Potamogeton carinatus Kuppfer species synonym Potomogeton thunberguii Cham. & Schltdl species synonym Potamogeton sachalinense Leveille species synonym Potamogeton zosterifolius subsp. zosterifolius subspecies synonym Potamogeton polygonifolius A.Benn. species synonym Potamogeton lucidus Salisb. species synonym Potamogeton purshii Tuck. ex Asch. & Graebn. species heterotypic synonym Potamogeton panomitanus Biv. species synonym Potamogeton pusillus var. gracilis Krok variety synonym Potamogeton acutifolius subsp. carinatus (Kupffer) Graebn. subspecies synonym Potamogeton compressus subsp. compressus subspecies synonym Potamogeton pygmaeus Chandler, 1925 species accepted Potamogeton trichodes Cham. & Schltdl. species accepted Potamogeton proteus subsp. heterophyllus (Schreb.) Cham. & Schltdl. subspecies synonym Potamogeton trichodes var. monogynus (J.Gay) Magnin variety synonym Potamogeton caespitosus Rchb.f. species synonym Potamogeton chongyongensis W.X.Wang species synonym Potamogeton graminifolius H. & J.Groves species synonym Potamogeton lacustris (Pearsall & Pearsall f.) Druce species synonym Potamogeton trichodes Benth. species synonym Potamogeton trichodes var. tuberculatus (Ten. & Guss.) Nyman variety synonym Potamogeton trichodes Tuck. species synonym Potamogeton hibernicus (Hagstr.) Druce species synonym Potamogeton octandrus subsp. minduhikimo (Makino) Hara subspecies synonym Potamogeton proteus subsp. lucens (L.) Cham. & Schltdl. subspecies synonym Potamogeton trichodes var. liocarpus Asch. variety synonym Potamogeton proteus subsp. curvifolius (Hartm.) Cham. & Schltdl. subspecies synonym Potamogeton trichodes var. tuberculosus Rchb. variety synonym Potamogeton proteus subsp. zizii (Mert. & W.D.J.Koch) Cham. & Schltdl. subspecies synonym Potamogeton panoemitanus Biv. species synonym Potamogeton tenuifolius Raffin. species accepted Potamogeton pusillus subsp. sturrockii (A.Benn.) Hook.f. subspecies synonym Potamogeton geniculatus Braun, 1845 species accepted Potamogeton rufescens var. rivularis Hartm. variety heterotypic synonym Potamogeton lucens var. alpinus (Balb.) Fiori variety synonym Potamogeton natans var. vulgaris Mert. & W.D.J.Koch variety synonym Potamogeton rutilans Wolfgang, 1885 species synonym Buccaferrea ×variifolia (Thore) Bubani species synonym Buccaferrea pusilla (L.) Bubani species synonym Buccaferrea obtusifolia (Mert. & W.D.J.Koch) Bubani species synonym Buccaferrea natans (L.) Bubani species synonym Buccaferrea lucida Bubani species synonym Buccaferrea crispata Bubani species synonym Buccaferrea amplexicaulis (Kar.) Bubani species synonym Potamogeton strictifolius var. strictifolius variety synonym Potamogeton compressus var. elongatus Wahlenb. variety synonym Potamogeton compressus var. dimidius Crép. variety synonym Potamogeton compressus var. acutus Schltdl. variety synonym Potamogeton lucens var. ventanicola Hicken variety synonym Potamogeton lucens var. floridanus A.Benn. variety synonym Potamogeton lucens var. connecticutensis J.W.Robbins variety synonym Potamogeton lucens subsp. brasiliensis A.Benn. subspecies synonym Potamogeton pusillus var. pusillus variety synonym Potamogeton mucronatus Nyman, 1855 species accepted Potamogeton turionifer Hagstr. species synonym Potamogeton sibiricus A.Benn. species accepted Potamogeton sibiricus subsp. sibiricus subspecies synonym Potamogeton ×attenuatus Hagstr. species accepted Potamogeton hybridus Michx. species heterotypic synonym Potamogeton aschersonii A.Benn. species synonym Potamogeton microstachys Wolfgang ex Schultes species synonym Potamogeton coloratus Hornem. species accepted Potamogeton coloratus subsp. coloratus subspecies synonym Potamogeton tenuifolius F.Phil. species heterotypic synonym Potamogeton angustifolius Caley species homotypic synonym Potamogeton epihydrus var. epihydrus variety synonym Potamogeton octandrus Poir. species accepted Potamogeton octandrus subsp. octandrus subspecies synonym Potamogeton ochreatus Raoul species accepted Spirillus perfoliatus (L.) Nieuwl. species synonym Potamogeton javanicus Hassk. species synonym Potamogeton plantagineus Du Croz ex Roem. & Schult. species synonym Potamogeton diversifolius var. diversifolius variety synonym Potamogeton robbinsii f. robbinsii form synonym Potamogeton distinctus A.Benn. species accepted Potamogeton nuttallii Cham. & Schltdl. species synonym Potamogeton zosterifolius Schumach. species synonym Spirillus foliosus (Raf.) Lunell species synonym Potamogeton zosteraefolius Schumach. species synonym Potamogeton ×subdentatus Hagstr. species doubtful Potamogeton foliosus var. foliosus variety synonym Potamogeton ×zizii W.D.J.Koch ex Roth species synonym Potamogeton spathiformis Tuck. ex A.Gray species synonym Potamogeton natans subsp. ellipticus Gaudin subspecies synonym Potamogeton ×dubius Tiselius species synonym Potamogeton ×exilis Z.Kaplan & Uotila species accepted Potamogeton hybridus Thuill. species synonym Potamogeton rotundifolius Schultz species synonym Potamogeton natans var. angustatus Mert. & W.D.J.Koch variety synonym Potamogeton acutifolius Link species accepted Potamogeton panormitanus var. minor Biv. ex Guss. variety synonym Potamogeton pauciflorus Pursh species heterotypic synonym Potamogeton miduhikimo Makino species synonym Potamogeton crispus var. najadoides Graebn. variety synonym Potamogeton pumilus Wolfg. species synonym Potamogeton ×affinis A.Benn., 1889 species synonym Potamogeton heterophyllus Elliott species heterotypic synonym Potamogeton lucens var. longifolius DC. variety synonym Potamogeton americanus var. richardii (Solms) Solms ex Schweinf. variety synonym Potamogeton ×lundii K.Richt. species synonym Potamogeton natans var. petiolatus (Wolfg.) Nyman variety synonym Potamogeton gramineus f. gramineus form synonym Potamogeton lanceolatus Poir. species heterotypic synonym Potamogeton major Morong ex MacMill. species accepted Potamogeton ×fluitans f. brevifolius G.Fisch. form synonym Potamogeton loeselii Honck. species synonym Potamogeton cristatus Regel & Maack species accepted Potamogeton flexuosus Schleich. species synonym Potamogeton heterophyllus f. longipedunculatus (Mérat) Morong form synonym Potamogeton baenitzii Gand. species synonym Potamogeton pusillus var. minor (Biv. ex Guss.) Fernald & B.G.Schub. variety synonym Potamogeton loculosus Hagstr. species doubtful Potamogeton ×spathulatus Schrad. ex W.D.J.Koch & Ziz species accepted Potamogeton heterophyllus var. graminifolius (Fr.) S.Watson & J.M.Coult. variety synonym Potamogeton badius Hagstr. species synonym Potamogeton pusillus var. major Fr. variety heterotypic synonym Potamogeton badioviridis Hagstr. species synonym Potamogeton ×lithuanicus Gorski ex Rchb. species synonym Potamogeton spathulaeformis Morong species accepted Potamogeton uruguayensis A.Benn. & Graebn. species accepted Potamogeton pusillus var. latifolius G.Mey. variety synonym Potamogeton spathaeformis Tuck. ex A.Gray, 1867 species accepted Potamogeton muricatus Hagstr. species synonym Potamogeton badiovirens Hagstr. ex Skottsb. species synonym Potamogeton linguatus Hagstr. species accepted Potamogeton ×upsaliensis Tiselius species synonym Potamogeton pusillus var. lacunatus Fernald variety synonym Potamogeton linearis Larrañaga species synonym Potamogeton crispatus Wallman ex Rchb. species synonym Potamogeton mucronatus var. obtusior (G.Fisch.) Graebn. variety synonym Potamogeton ×babingtonii A.Benn. species synonym Potamogeton crenulatus D.Don species synonym Potamogeton solomonensis G.Wiegleb species accepted Potamogeton pusillus subsp. friesii (Rupr.) Hook.f. subspecies synonym Potamogeton lindenbergii Lehm. ex Graebn. species synonym Potamogeton crassipes Kit. ex Cham. & Schlecht. species synonym Potamogeton skvortsovii Klinkova species accepted Potamogeton mucronatus f. minor Tiselius form synonym Potamogeton uliginosus Boenn. ex Cham. & Schlecht. species synonym Potamogeton austriacus Gand. species synonym Potamogeton pusillus var. elongatus A.Benn. ex Macoun variety synonym Potamogeton ×crassifolius Fryer species synonym Potamogeton sinicus Migo species synonym Potamogeton mucronatus var. major R.Ruthe ex G.Fisch. variety synonym Potamogeton obtusifolius f. muticus Fieber form synonym Potamogeton ulei K.Schum. species accepted Potamogeton cornutus J.Presl & C.Presl species synonym Potamogeton mucronatus f. latifolius (R.Ruthe ex G.Fisch.) Hagstr. form synonym Potamogeton obtusifolius f. latifolius Fieber, 1838 form synonym Potamogeton ×heslop-harrisonii W.A.Clark species accepted Potamogeton pusillus var. capitatus A.Benn. variety synonym Potamogeton limosellifolius Maxim. ex Korsh. species synonym Potamogeton corniculatus Schur species synonym Potamogeton similis A.Benn. species synonym Potamogeton obtusifolius f. insolitus Tiselius form synonym Potamogeton turionifer var. tenuis Hagstr. variety synonym Potamogeton henningii A.Benn. species synonym Potamogeton australiensis A.Benn. species accepted Potamogeton pusillus subsp. argentinus A.Benn. subspecies synonym Potamogeton liljebladii Wallman ex Rchb. species synonym Potamogeton coriaceus (Mert. & W.D.J.Koch) Fryer species synonym Potamogeton mucronatus f. angustifolius (G.Fisch.) Hagstr. form synonym Potamogeton obtusifolius var. elongatus G.Fisch. variety synonym Potamogeton turionifer var. mucronulatus Hagstr. variety synonym Potamogeton paucifolius Opiz species synonym Potamogeton ligulatus Hagstr. species synonym Potamogeton ×cooperi (Fryer) Fryer species accepted Potamogeton obtusifolius f. apiculatus Fieber form synonym Potamogeton sibiricus subsp. subsibiricus (Hagstr.) Tzvelev subspecies synonym Potamogeton mucronatus f. acutus G.Fisch. form synonym Potamogeton obtusifolius f. angustifolius (Fieber) Soó form synonym Potamogeton helodes Dumort. species synonym Potamogeton conjungens Hagstr. species synonym Potamogeton ×heidenreichii Asch. & Graebn. species synonym Potamogeton augustanus Balb. species synonym Potamogeton augustani Bellardi species synonym Potamogeton ×confinis Hagstr. species accepted Potamogeton tuberosus Roxb. species synonym Potamogeton parvifolius Buchenau species accepted Potamogeton ×attenuatus var. polygoniformis Hagstr. variety synonym Potamogeton purshii Tuck. species synonym Potamogeton leschenaultii Cham. & Schltdl. species synonym Potamogeton ×hagstromii A.Benn. species accepted Potamogeton hybridus var. multidenticulatus (Morong) Graebn. variety synonym Potamogeton purshianus Morong ex MacMill., 1892 species accepted Potamogeton leptophyllus Gand. species synonym Potamogeton condylocarpus Tausch species synonym Potamogeton morongii A.Benn. species synonym Potamogeton tuberculatus Ten. & Guss. species synonym Potamogeton parmatus Hagstr. species accepted Potamogeton hybridus var. trichophyllus (Morong) Graebn. variety synonym Potamogeton concinnitus A.Benn. species synonym Potamogeton monticola Schwein. ex A.Benn. species accepted Potamogeton trinervius G.Fisch. species synonym Potamogeton paramoanus R.R.Haynes & Holm-Niels. species accepted Potamogeton ×grovesii Dandy & G.Taylor species accepted Potamogeton ×leptocephalus Koidz. species accepted Potamogeton ×concillus A.Benn., 1908 species accepted Potamogeton sessilifolius Hagstr. species synonym Potamogeton montevidensis A.Benn. species accepted Potamogeton tricostatus Wallr., 1907 species accepted Potamogeton aschersonii f. pusilloides Hagstr. form synonym Potamogeton punense A.Galán species accepted Potamogeton concilius A.Benn., 1908 species accepted Potamogeton trichoides Cham. & Schltdl. species accepted Potamogeton papuanicus G.Wiegleb species accepted Potamogeton compressus var. obtusus Schltdl. variety synonym Potamogeton serrulatus Regel & Maack species heterotypic synonym Potamogeton montanus C.Presl species synonym Potamogeton panormitanus var. minor Biv. variety synonym Potamogeton grisebachii Heuff. species synonym Potamogeton pumilus Wolfg. ex Schult., 1827 species accepted Potamogeton argutulus var. nodosifolius A.Benn. variety synonym Potamogeton pumilum Nutt. ex A.Benn. species accepted Potamogeton montanense Gand. species doubtful Potamogeton graminifolius (Fr.) Benkö species synonym Potamogeton monogynus J.Gay ex Webb & Berthel. species synonym Potamogeton fibrosus Hagstr. species synonym Potamogeton gramineus var. wolfgangii (Kihlm.) Hagstr. variety synonym Potamogeton pulcher f. amphibius Hagstr. form synonym Potamogeton tretocarpus Maxim. ex A.Benn. species synonym Potamogeton palustris Teesd. species synonym Potamogeton apicalis Hagstr. species synonym Potamogeton monoginus Miki species synonym Potamogeton paludosus Bory ex Cham. & Schltdl. species synonym Potamogeton gramineus f. terrestris (Schltdl.) D.S.Carp. form synonym Potamogeton laticaulis Wahlenb. species synonym Potamogeton ferrugineus Hagstr. species accepted Potamogeton torquatus Koidz. species synonym Potamogeton pallidus Lojac. species doubtful Potamogeton ×apertus Miki species accepted Potamogeton pulchelliformis Hagstr. species synonym Potamogeton lateralis f. subcompletus Hagstr. form synonym Potamogeton tonkinensis E.G.Camus species synonym Potamogeton pallidior Gand. species synonym Potamogeton gramineus var. spathuliformis J.W.Robbins variety synonym Potamogeton antaicus Hagstr. species accepted Potamogeton lateralis f. incompletus Hagstr. form synonym Potamogeton serotinus Schrad. ex Schult. & Schult.f. species synonym Potamogeton miyakezimensis Honda, 1936 species accepted Potamogeton ×tiselii K.Richt. species synonym Potamogeton oxyphyllus Miq. species accepted Potamogeton thunbergii Cham. & Schltdl. species synonym Potamogeton owaihiensis Cham. & Schltdl. species synonym Potamogeton gramineus var. parvifolius Farw. variety synonym Potamogeton ×pseudozizii Hagstr. species synonym Potamogeton millardii Hesl.-Harr. species synonym Potamogeton flexicaulis Dethard., 1809 species synonym Potamogeton orthorrhynchus Gand. species synonym Potamogeton angustifolius var. methyensis A.Benn. variety synonym Potamogeton lanciformis Roem. & Schult. species synonym Potamogeton complanatus Willd. species synonym Potamogeton semicoloratus A.Benn. species synonym Potamogeton ×mignelensis Dandy, 1970 species accepted Potamogeton ×faurei (A.Benn.) Miki species accepted Potamogeton ×orientalis Hagstr. species accepted Potamogeton angustifolius var. lucens variety synonym Potamogeton pseudopolygonus Hagstr. species synonym Spirillus zosterifolius (Schumach.) Nieuwl. species synonym Potamogeton seemenii Asch. & Graebn. species synonym Potamogeton miduhikimo Makino ex A.Benn., 1892 species accepted Potamogeton tepperi A.Benn. species accepted Potamogeton ×lanceolatus Sm. species accepted Potamogeton ×scoliophyllus f. barensis Hagstr. form synonym Potamogeton ×fallax Asch. & Graebn. species synonym Potamogeton olivaceus Baagøe species doubtful Potamogeton angustifolius var. connecticutensis (J.W.Robbins) A.Benn. variety synonym Potamogeton ×pseudolucens Hagstr. species synonym Potamogeton coloratus subsp. subflavus (Loret & Barrandon) O.Bolòs & Vigo, 2001 subspecies synonym Spirillus zizii (Mert. & W.D.J.Koch) Nieuwl. species synonym Potamogeton falcatus Fryer species synonym Potamogeton tenuissimus M.Loehr ex Beurl. species synonym Potamogeton gramineus var. minimus (Morong) Graebn. variety synonym Potamogeton coloratus var. jamaicensis Griseb. variety synonym Potamogeton exstipulatus Willd. ex Schult., 1827 species accepted Potamogeton ×pseudofriesii Dandy & G.Taylor species accepted Potamogeton sclerocarpus K.Schum. species accepted Potamogeton microcarpus Boiss. & Reut. species synonym Potamogeton ×tenuinervis E.G.Camus species synonym Potamogeton oederi G.Mey. species synonym Potamogeton ×henryi Fernald species synonym Spirillus robbinsii (Oakes) Nieuwl. species synonym Potamogeton mexicanus A.Benn. species synonym Potamogeton exiguus Hagstr. species synonym Potamogeton odontocarpus Gand. species synonym Potamogeton angustifolium var. connecticutensis A.Benn. variety synonym Potamogeton proteus Cham. & Schltdl. species synonym Potamogeton ×lanceolatifolius (Tiselius) C.D.Preston species accepted Potamogeton angustatus Wallm. species accepted Potamogeton promontoricus Hagstr. species synonym Spirillus pusillus (L.) Nieuwl. species synonym Potamogeton schweinfurthii A.Benn. species accepted Potamogeton epihydrus var. typicus Fernald variety synonym Potamogeton octandrus subsp. limosellifolius (Maxim. ex Korsh.) Vorosch. subspecies synonym Potamogeton ×anguillanus Koidz. species accepted Potamogeton preussii A.Benn. species synonym Potamogeton gramineus f. longipedunculatus (Mérat) House form synonym Potamogeton anglicus Hagstr. species synonym Spirillus pulcher (Tuck.) Nieuwl. species synonym Potamogeton membranaceus Hagstr. species synonym Potamogeton octandrus subsp. ethiopicus Lye subspecies synonym Potamogeton anadyrensis V.N.Vassil. species synonym Potamogeton lactucaceum Montandon species synonym Potamogeton claytonii Tuck. species synonym Potamogeton sarmaticus Mäemets species accepted Potamogeton octandrus var. asiaticus (A.Benn.) Tzvelev variety synonym Potamogeton amplifolius var. ovalifolius Morong variety synonym Potamogeton ×kyushuensis Kadono & Wiegleb species accepted Potamogeton chongyangensis W.X.Wang species accepted Spirillus praelongus (Wulfen) Nieuwl. species synonym Potamogeton samariformis Hagstr. species synonym Potamogeton maximus Roehl. ex Steud., 1821 species accepted Potamogeton tenuicaulis F.Muell. species accepted Potamogeton hohenackeri Gand. species synonym Potamogeton amplifolius f. homophyllus Hagstr. form synonym Potamogeton cheesemanii A.Benn. species accepted Potamogeton mascarensis Cham. & Schltdl. species synonym Potamogeton epihydrus var. cayugensis A.Benn. variety synonym Potamogeton ochreatus var. latifolius Graebn. variety synonym Potamogeton amplifolius f. amphibius A.Benn. form synonym Spirillus perfoliatus var. richardsonii (A.Benn.) Nieuwl. variety synonym Potamogeton ×salicifolius Wolfg. species accepted Potamogeton gramineus var. lacustris Farw. variety synonym Potamogeton kirkii Syme species synonym Potamogeton ×champlainii A.Benn. species synonym Potamogeton sachalinensis (H.Lév.) H.Lév. species synonym Potamogeton ×kamogawaensis Miki species accepted Potamogeton teganumensis (Makino) Makino species synonym Potamogeton occidentalis Sieber ex Cham. & Schltdl. species synonym Potamogeton asiaticus A.Benn. species synonym Potamogeton juzepczukii P.I.Dorof. & Tzvelev species synonym Potamogeton chamissoi A.Benn. species accepted Potamogeton obtusifolius f. obtusus Fieber form synonym Potamogeton ×rugelii A.Benn. species synonym Potamogeton tataricus Less. species synonym Potamogeton juncifolius A.Kern., 1895 species accepted Potamogeton elegans Wall. species accepted Potamogeton syriacus Cham. & Schltdl. species synonym Potamogeton porrigens Hagstr. species synonym Potamogeton ×johannis Hesl.-Harr. species synonym Potamogeton rubrinaevus Gand. species synonym Potamogeton porcatus Muhl. species synonym Potamogeton jeholensis Kitag. species synonym Potamogeton cespitosus Rchb.f. species synonym Potamogeton rubricans Gand. species synonym Potamogeton sulcatus A.Benn. species accepted Potamogeton obtusifolius f. acutus Fieber form synonym Potamogeton polygonus Cham. species accepted Potamogeton javanicus var. major Graebn. variety synonym Potamogeton cayugensis (Wiegand) Hagstr. species synonym Spirillus obtusifolius (Mert. & W.D.J.Koch) Nieuwl. species synonym Potamogeton roxburghianus Schult. & Schult.f. species synonym Potamogeton dubius E.H.L.Krause, 1905 species accepted Potamogeton caudatus Seidl ex Opiz species synonym Potamogeton rotundifolius J.R.Forst. species doubtful Potamogeton casparyi Kohts, 1870 species accepted Spirillus natans (L.) Nieuwl. species synonym Potamogeton dualis Hagstr. species synonym Potamogeton japonicus Franch. & Sav. species accepted Potamogeton rotundatus Hagstr. species synonym Potamogeton ×sudermanicus Hagstr. species accepted Potamogeton iriomotensis Masam. species synonym Potamogeton carinatus Kupffer species synonym Potamogeton ×mariensis Papch. species accepted Potamogeton drummondii Benth. species accepted Potamogeton gracilis Wolfg. species heterotypic synonym Potamogeton ×pleiophyllus Hagstr. species synonym Potamogeton caricifolius Willd. ex Schult., 1827 species accepted Spirillus lucens (L.) Nieuwl. species synonym Potamogeton ×rothii A.Benn. ex G.Fisch. species synonym Potamogeton drucei Fryer species synonym Potamogeton subtrichodes Schur species synonym Potamogeton plantago Batard species accepted Potamogeton mandschuriensis (A.Benn.) A.Benn. species accepted Potamogeton oblongus var. fluitans (Roth) G.Mey. variety synonym Potamogeton glaucus Gueldenst. species doubtful Potamogeton plantagineus var. jamaicensis Griseb. variety synonym Potamogeton ×intortusifolius J.B.He, L.Y.Zhou & H.Q.Wang species synonym Potamogeton manchuriensis A.Benn., 1904 species accepted Potamogeton capensis Scheele ex A.Benn. species accepted Spirillus lonchites (Tuck.) Nieuwl. species synonym Potamogeton ×malainoides Miki species doubtful Potamogeton diversifolius f. limosus Hagstr. form synonym Potamogeton canariensis Link species synonym Potamogeton robbinsii f. cultellatus Fassett form synonym Potamogeton malaianus Miq. species synonym Potamogeton subsessilifolius E.G.Camus species synonym Potamogeton alatus Koidz. species synonym Potamogeton ×intermedius G.Fisch. species doubtful Potamogeton major Morong species synonym Potamogeton ×subrufus Hagstr. species accepted Potamogeton gayi A.Benn. species accepted Potamogeton alatofructus A.Benn. species synonym Potamogeton zosterophyllus Dumort. species synonym Potamogeton ×philippinensis A.Benn. species accepted Potamogeton oblongifolius J.R.Forst., 1771 species accepted Potamogeton gaudichaudii Cham. & Schltdl. species synonym Potamogeton affinis Boenn. ex Cham. & Schlecht. species synonym Potamogeton phialae Post species synonym Potamogeton caespitosus Humn. species heterotypic synonym Spirillus heterophyllus (Schreb.) Nieuwl. species synonym Potamogeton ×rivularis Gillot species accepted Potamogeton divaricatus Wolfg. ex Schult., 1827 species accepted Potamogeton ×gallicus Hagstr. species doubtful Potamogeton acutifolius Link ex Roem. & Schult. species doubtful Potamogeton petiolatus Wolfg. ex Schult., 1827 species accepted Potamogeton ×ripensis Baagøe species accepted Potamogeton distinctus var. tonkinensis (E.G.Camus) V.C.Vu ex Aver. variety synonym Potamogeton furcatus Hagstr. species synonym Potamogeton petiolaris Raf. species heterotypic synonym Potamogeton ×cadburyae Dandy & G.Taylor species accepted Spirillus friesii (Rupr.) Nieuwl. species synonym Potamogeton ×macvicarii A.Benn. species synonym Potamogeton suboblongus Hagstr. species accepted Potamogeton nuttallii var. ramosus Peck variety synonym Potamogeton zosterifolius f. selenocarpus Hagstr. form synonym Potamogeton ×burtonii E.Hopkins ex Syme species synonym Potamogeton macrorrhynchus Gand. species synonym Potamogeton distachyus Bellardi species synonym Potamogeton cheesemanii f. tasmanicus Hagstr. form synonym Potamogeton nuttallii var. portoricensis (Graebn.) Graebn. variety synonym Potamogeton fulvus Riddell species synonym Potamogeton zosterifolius var. americanus A.Benn. variety synonym Potamogeton perversus A.Benn. species synonym Potamogeton ×innominatus Tiselius ex Almq., 1889 species accepted Potamogeton macrophyllus Wolfg. ex Schult., 1827 species accepted Potamogeton nuttallii var. cayugensis Wiegand variety synonym Potamogeton fryeri A.Benn. species accepted Potamogeton acuminatus Schumach. species heterotypic synonym Potamogeton peruvianus Presl ex A.Benn. species accepted Potamogeton indicus Roxb. species heterotypic synonym Potamogeton macrophylloides Hagstr. species synonym Potamogeton subjavanicus Hagstr. species synonym Potamogeton peruviana C.Presl species synonym Potamogeton richardii Solms species accepted Potamogeton subfuscus A.Benn. species synonym Potamogeton ×franconicus G.Fisch. species accepted Potamogeton ×perpygmaeus Hagstr. ex Druce species synonym Potamogeton bunyonyiensis Denny & Lye species synonym Potamogeton ×rhodensis A.Benn. species doubtful Potamogeton subflavus Loret & Barrandon species synonym Potamogeton numasakianus A.Benn. species synonym Potamogeton franchetii A.Benn. species synonym Potamogeton ×perplexus A.Benn. species doubtful Potamogeton ×inbaensis Kadono species accepted Potamogeton brasiliensis (A.Benn.) A.Benn. species synonym Potamogeton machianus Lowe ex Graebn. species synonym Potamogeton dimorphoides Hagstr. species synonym Potamogeton ×subdentatus var. sessilis Hagstr. variety synonym Potamogeton notarisii Gand. species synonym Potamogeton fragillimus Hagstr. species synonym Potamogeton reptans Humn. species synonym Potamogeton maackianus A.Benn. species accepted Potamogeton digynus Wall. species synonym Potamogeton ×subdentatus var. petiolatus Hagstr. variety synonym Potamogeton ×nomotoensis Kadono & T.Nog. species accepted Potamogeton perfoliatus var. typicus Ogden variety synonym Potamogeton illinoensis f. rosulatus Hagstr. form synonym Potamogeton repens Hagstr. species synonym Potamogeton ×lundii C.Richt species accepted Potamogeton ×noltei G.Fisch. species synonym Potamogeton fontigenus Y.H.Guo, X.Z.Sun & H.Q.Wang species accepted Potamogeton ziziiformis Hagstr. species synonym Potamogeton illinoensis f. homophyllus Hagstr. form synonym Spirillus diversifolius (Raf.) Nieuwl. species synonym Potamogeton reniacoensis Sparre species synonym Potamogeton lucidus Gueldenst. species synonym Potamogeton inbaensis nothovar. pseudomalaianus Kadono variety synonym Potamogeton nodosus var. stagnatilis (W.D.J.Koch) Soó variety synonym Potamogeton borealis Kihlm. species heterotypic synonym Potamogeton denticulatus Mohl & Schlecht., 1856 species accepted Potamogeton nodosus f. spathulifolius (G.Fisch.) Soó form synonym Potamogeton zizii var. porrectifolius A.Benn. variety synonym Spirillus amplifolius (Tuck.) Nieuwl. species synonym Potamogeton reichenbachii M.Loehr ex Beurl. species synonym Potamogeton sturrockii Hook. species synonym Potamogeton nodosus f. latifolius (G.Fisch.) Soó form synonym Potamogeton zizii var. methyensis (A.Benn.) Graebn. variety synonym Potamogeton iilinoensis var. ventanicola Rantzien variety synonym Potamogeton reflexus A.Benn. species synonym Potamogeton lucens subsp. sinicus (Migo) H.Hara subspecies synonym Potamogeton dentatus Hagstr. species accepted Potamogeton nodosus f. congestus (G.Fisch.) Soó form synonym Potamogeton zizii var. gracilis A.Benn. variety synonym Potamogeton ×biwaensis Miki species accepted Potamogeton reduncus Hagstr. species synonym Potamogeton nodosus f. brevifolius (G.Fisch.) Soó form synonym Potamogeton foliosus var. genuinus Fernald variety synonym Potamogeton zizii var. connecticutensis (J.W.Robbins) Morong variety synonym Potamogeton perfoliatus var. muelleri A.Benn. variety synonym Potamogeton ×billupsii Fryer species accepted Potamogeton perfoliatus var. minor F.M.Bailey variety synonym Potamogeton ×billotii F.W.Schultz species synonym Potamogeton ×deminutus Hagstr. species synonym Potamogeton ×nitens f. restrictus Hagstr. form synonym Potamogeton perfoliatus var. lanceolatus J.W.Robbins variety heterotypic synonym Potamogeton ×bifrons Hagstr. species doubtful Potamogeton ×nitens var. occidentalis Graebn. variety synonym Potamogeton zetterstedtii Wallman species synonym Potamogeton biformoides Papch. species synonym Potamogeton ×raunkiaeri G.Escher species synonym Potamogeton delicatulus Bertol. species synonym Potamogeton ×yamagataensis Kadono & Wiegleb species accepted Potamogeton perfoliatus var. lacustris Wallman variety synonym Potamogeton biformis Hagstr. species accepted Potamogeton quinquenervius Hagstr. species accepted Potamogeton delavayi A.Benn. species accepted Potamogeton ×xinganensis Ma species doubtful Potamogeton bifolius Lapeyr. species doubtful Potamogeton ×decipiens Nolte ex W.D.J.Koch species synonym Potamogeton nipponicus Makino ex A.Benn., 1892 species accepted Potamogeton wrightii Morong species accepted Potamogeton hungaricus Gand. species synonym Potamogeton pusillus var. vulgaris Fr. variety synonym Potamogeton nigrescens Fr. species synonym Potamogeton wolfgangii Kihlm. species synonym Potamogeton huillensis Welw. ex Schinz species synonym Potamogeton pusillus var. typicus Fernald variety synonym Potamogeton danicus Gand. species synonym Potamogeton besseri Steud. species synonym Potamogeton cyprifolius Lowe ex Graebn. species synonym Potamogeton ×sterilis Hagstr. species synonym Potamogeton foliorum Raf., 1811 species accepted Potamogeton volhynicus Besser ex Roem. & Schult. species synonym Potamogeton hubeiensis W.X.Wang, X.Z.Sun & H.Q.Wang species synonym Potamogeton berteroanus Phil. species synonym Potamogeton longipetiolatus E.G.Camus species synonym Potamogeton ×steriliformis Hagstr. species synonym Potamogeton nervigerus Eichw. species doubtful Potamogeton fluviatilis Roem. & Schult., 1818 species accepted Potamogeton ×vepsicus A.A.Bobrov & Chemeris species accepted Potamogeton hornemannii E.Mey., 1836 species accepted Potamogeton longipedunculatus Mérat species synonym Potamogeton stenostachys K.Schum. species accepted Potamogeton ×nerviger Wolfg. species accepted Potamogeton ×fluitans var. sessilis Herter variety synonym Potamogeton venustus Baagøe species accepted Potamogeton pensylvanicus Willd. ex Cham. & Schltdl. species synonym Potamogeton hoggarensis Dandy species accepted Potamogeton ×cymbifolius G.Fisch. species synonym Potamogeton venosus A.Benn. species synonym Potamogeton hindostanicus Hagstr. species synonym Potamogeton pusillus var. tenuifolius K.Schum. variety synonym Potamogeton stagnorum Hagstr. species synonym Potamogeton ×nericius Hagstr. species accepted Potamogeton vaseyi var. latifolius Morong variety synonym Potamogeton ×longifolius Bab. species synonym Potamogeton cuspidatus Schrad. ex Mert. & W.D.J.Koch species synonym Potamogeton spoliatus Hagstr. species synonym Potamogeton natans var. minor Hook.f. variety heterotypic synonym Potamogeton pemeglectus Gand., 1881 species accepted Potamogeton heterophyllus var. terrestris Schltdl. variety synonym Potamogeton pusillus var. sphaerocarpus K.Schum. variety synonym Potamogeton natans var. mexicanus M.Martens & Galeotti variety synonym Potamogeton ×variifolius Thore species accepted Potamogeton berchtoldii subsp. groenlandicus (Hagstr.) Feilberg subspecies synonym Potamogeton longepedunculatus Mérat species accepted Potamogeton ×curvifolius Hartm. species synonym Potamogeton spirillus var. curvifolius Peck variety synonym Potamogeton natans var. fluitans (Roth) Torr., 1847 variety homotypic synonym Peltopsis perfoliata (L.) Raf. species synonym Potamogeton heterophyllus f. myriophyllus (J.W.Robbins) Morong form synonym Potamogeton pusillus var. pseudorutilus A.Benn. variety synonym Potamogeton curvatus A.Benn. species synonym Potamogeton spirilliformis Hagstr. species accepted Potamogeton heterophyllus f. minimus Morong form synonym Potamogeton ×bennettii Fryer species accepted Potamogeton pusillus var. panormitanus (Biv.) Morong variety synonym Potamogeton heterophyllus f. maximus Morong form synonym Potamogeton bambergensis G.Fisch. species synonym Potamogeton pusillus var. mucronatus (Schrad. ex Sond.) Hook.f. variety synonym Potamogeton flexuosus Hegetschw. species doubtful Potamogeton ×fluitans var. petiolatus (Wolfg.) Nyman variety synonym Potamogeton argutulus f. puyensis Hagstr. form synonym Potamogeton ×nitens subsp. curvifolius (Hartm.) K.Richt. subspecies synonym Potamogeton diversifolius W.P.C.Barton species heterotypic synonym Spirillus foliosus Nieuwl., 1913 species homotypic synonym Potamogeton oblongus f. amphibius Fr. form synonym Potamogeton ×olivaceus Baagøe ex G.Fisch. species accepted Potamogeton malaianus var. tenuior Miq. variety synonym Potamogeton natans var. canariensis (Link) T.Durand & Schinz variety synonym Potamogeton lucens var. ovalifolius Mert. & W.D.J.Koch variety synonym Potamogeton ×babingtonii f. danicus Hagstr. form synonym Potamogeton gramineus f. myriophyllus (J.W.Robbins) House form synonym Potamogeton rufescens subsp. nigrescens (Fr.) Nyman subspecies synonym Potamogeton rutilus var. reptans (Humn.) Nyman variety synonym Potamogeton ×jacobsii Z.Kaplan, Fehrer & Hellq. species accepted Potamogeton ×nipponicus Makino species synonym Potamogeton ×aemulans Z.Kaplan, Hellq. & Fehrer species accepted Potamogeton trichoides var. liocarpus Asch. variety synonym Potamogeton praelongus f. praelongus form synonym Potamogeton crispus var. serrulatus Schrad. ex Rchb. variety synonym Hydrogeton heterophyllus Lour. species synonym Potamogeton ×decipiens var. torssandrii Tiselius variety synonym Potamogeton pusillus subsp. sturrockii (A.Benn.) Nyman subspecies synonym Potamogeton ×fluitans f. latifolius G.Fisch. form synonym Potamogeton ×fluitans var. typicus Baagøe ex Asch. & Graebn. variety synonym Potamogeton natans Thunb., 1794 species doubtful Potamogeton perfoliatus var. rotundifolius Wallr. variety synonym Potamogeton ×mucronulatus (G.Fisch.) Papch. species accepted Potamogeton ×fluitans var. variifolius (Thore) Roem. & Schult. variety synonym Potamogeton crispus var. phialiensis Post variety synonym Potamogeton lucens var. acuminatus (Schumach.) Fr. variety synonym Potamogeton ×fluitans f. harzii (G.Fisch.) G.Fisch. form synonym Potamogeton lonchites var. novaeboracensis Morong variety synonym Potamogeton trichoides Tuck. species heterotypic synonym Potamogeton gramineus f. maximus Morong ex Bennett form synonym Potamogeton polygonifolius var. terrestris (Coss. & Germ.) Rouy variety synonym Potamogeton berchtoldii var. mucronatus Fielding variety synonym Potamogeton diversifolius var. multidenticulatus Morong variety synonym Potamogeton purpurascens Seidl, 1819 species synonym Potamogeton ×noltei f. pernatans G.Fisch. form synonym Potamogeton lucens f. longifolius (J.Gay ex Poir.) Cham. & Schltdl. form synonym Potamogeton ×spathulatus Schrad., 1814 species synonym Potamogeton perfoliatus var. bupleuroides (Fernald) Farw. variety synonym Potamogeton heterophyllus var. paucifolius Wimm. & Grab. variety synonym Potamogeton natans var. explanatus Mert. & W.D.J.Koch variety synonym Potamogeton heterophyllus Biroli species heterotypic synonym Potamogeton natans f. capensis Kunth form synonym Potamogeton vaginans (Bojer ex A.Benn.) Hagstr. species synonym Potamogeton ×schreberi G.Fisch. species accepted Potamogeton pulcher Tuck. species accepted Potamogeton illinoensis Morong species accepted Potamogeton heterophyllus Schreb. species heterotypic synonym Potamogeton ×angustifolius J.Presl species accepted Potamogeton lucens L. species accepted Potamogeton tennesseensis Fernald species accepted Potamogeton kochii F.W.Schultz species synonym Potamogeton ×undulatus Wolfg. species accepted Potamogeton argutulus Hagstr. species synonym Potamogeton oakesianus J.W.Robbins species accepted Potamogeton natans L. species accepted Potamogeton epihydrus Raf. species accepted Potamogeton epihydrus var. ramosus House variety synonym Potamogeton epihydrus var. nuttallii (Cham. & Schltdl.) Fernald variety synonym Potamogeton spirillus Tuck. species accepted Potamogeton dimorphus Raf. species synonym Potamogeton hillii Morong species accepted Potamogeton porteri Fernald species synonym Potamogeton subsibericus Hagstr. species synonym Potamogeton ×haynesii Hellq. & G.E.Crow species accepted Potamogeton amplifolius Tuck. species accepted Potamogeton ×mysticus Morong species accepted Potamogeton ×ogdenii Hellq. & R.L.Hilton species accepted Potamogeton crispus L. species accepted Potamogeton diversifolius Raf. species accepted Potamogeton diversifolius var. multidenticulatus (Morong) Asch. & Graebn. variety synonym Potamogeton capillaceus var. atripes Fernald variety synonym Potamogeton varians Morong species synonym Potamogeton ×saxonicus Hagstr. species accepted Potamogeton ×hagstroemii A.Bennett species accepted Potamogeton ×subsessilis Hagstr. species accepted Potamogeton groenlandicus Hagstr. species accepted Potamogeton subsibiricus Hagstr. species synonym Potamogeton porsildiorum Fernald species synonym Potamogeton alpinus Balb. species accepted Potamogeton insulanus Hagstr. species synonym Potamogeton ×nitens Weber species accepted Potamogeton ×subnitens Hagstr. species synonym Potamogeton ×scoliophyllus Hagstr. species accepted Potamogeton robbinsii Oakes species accepted Potamogeton gramineus L. species accepted Potamogeton gramineus var. typicus Ogden variety synonym Potamogeton gramineus var. maximus Morong variety synonym Potamogeton gramineus var. myriophyllus J.W.Robbins variety synonym Potamogeton gramineus var. graminifolius Fr. variety synonym Potamogeton subobtusus Hagstr. species synonym Potamogeton ×griffithii A.Benn. species accepted Potamogeton foliosus Raf. species accepted Potamogeton zosteriformis Fernald species accepted Potamogeton zosterifolius subsp. zosteriformis (Fernald) Hultén subspecies synonym Potamogeton compressus All., 1785 species doubtful Potamogeton ×nericus Hagström species accepted Potamogeton confervoides Rchb. species accepted Potamogeton ×rectifolius A.Benn. species accepted Potamogeton richardsonii (A.Benn.) Rydb. species accepted Potamogeton perfoliatus L. species accepted Potamogeton amplexicaulis Kar. species synonym Potamogeton bupleuroides Fernald species synonym Potamogeton perfoliatus subsp. bupleuroides (Fernald) Hultén subspecies synonym Potamogeton friesii Rupr. species accepted Potamogeton ×gessnacensis G.Fisch. species accepted Potamogeton ×semifructus A.Benn. ex Asch. & Graebn. species accepted Potamogeton vaseyi J.W.Robbins species accepted Potamogeton lateralis Morong species proparte synonym Potamogeton ×methyensis (A.Benn.) A.Benn. species synonym Potamogeton marianensis Cham. & Schltdl. species accepted Potamogeton praelongus Wulfen species accepted Potamogeton praelongus var. angustifolius Graebn. variety synonym Potamogeton ×pusilliformis Fisch. species accepted Potamogeton floridanus Small species accepted Potamogeton strictifolius A.Benn. species accepted Potamogeton rutilus (Humn.) Nyman species synonym Potamogeton longiligulatus Fernald species synonym Potamogeton strictifolius var. typicus Fernald variety synonym Potamogeton strictifolius var. rutiloides Fernald variety synonym Potamogeton pusillus var. rutiloides (Fernald) B.Boivin variety synonym Potamogeton ×cymatodes Asch. & Graebn. species synonym Potamogeton oblongus Viv. species synonym Potamogeton polygonifolius Pourr. species accepted Potamogeton ×vilnensis Galinis. species doubtful Potamogeton bicupulatus Fernald species accepted Potamogeton diversifolius var. trichophyllus Morong variety synonym Potamogeton obtusifolius Mert. & W.D.J.Koch species accepted Potamogeton ×prussicus Hagstr. species accepted Potamogeton nodosus Poir. species accepted Potamogeton americanus Cham. & Schltdl. species heterotypic synonym Potamogeton fluitans Lilj. species doubtful Potamogeton ×faxonii Morong species accepted Potamogeton ×cognatus Asch. & Graebn. species accepted Piper alsinoides Lam. species synonym Peperomia alsinoides (Lam.) A.Dietr. species synonym Potamogeton panormitanus var. major G.Fisch. variety synonym Potamogeton pusillus subsp. groenlandicus (Hagstr.) Böcher subspecies synonym Potamogeton tuckermanii J.W.Robbins ex A.Gray species synonym Potamogeton pensylvanicum Willdenow species synonym Potamogeton lonchites Tuck. species synonym Potamogeton parnassiifolius Schrad. ex Mert. & W.D.J.Koch species synonym Potamogeton heterophyllus Torr. species heterotypic synonym Potamogeton latifolius Sloboda species heterotypic synonym Potamogeton cuspidatus Schrad. species synonym Potamogeton ×fluitans f. spathulifolius G.Fisch. form synonym Potamogeton diversifolius var. spicatus Engelm. variety synonym Potamogeton epihydrus subsp. nuttallii (Cham. & Schltdl.) Calder & Roy L.Taylor subspecies synonym Potamogeton obtusifolius var. latifolius Fieber variety synonym Potamogeton ×fluitans Roth species accepted Potamogeton natans var. minor Mert. & W.D.J.Koch variety heterotypic synonym Potamogeton octandrus var. minduhikimo (Makino) H.Hara variety synonym Potamogeton perfoliatus var. sachalinensis H.Lév. variety synonym Potamogeton pusillus var. capillaris Gaudin variety synonym Potamogeton zizii Mert. & W.D.J.Koch species synonym Potamogeton pusillus var. acutus G.Fisch. variety synonym Potamogeton gramineus var. longipedunculatus (Mérat) Farw. variety synonym Potamogeton oakesianus J.W.Robbins ex A.Gray, 1867 species doubtful Potamogeton ×praelongus Bréb. species synonym Buccaferrea hornemannii (G.Mey.) Bubani species synonym Potamogeton badiovirens Hagstr., 1916 species accepted Potamogeton petiolaris C.Presl species heterotypic synonym Potamogeton oblongorufescens Schultz species synonym Potamogeton crispus var. macrorrhynchus (Gand.) Asch. & Graebn. variety synonym Potamogeton maritima L. species accepted Potamogeton zizii f. pulcherrimus Hagstr. form synonym Potamogeton ×noltei f. perlucens G.Fisch. form synonym Potamogeton setaceus Pursh, 1813 species doubtful Potamogeton heterophyllus var. paucifolius (Opiz) Mert. & W.D.J.Koch variety synonym Potamogeton ×navicularis Hagstr. species accepted Potamogeton ×kaplanii Kottaim. species accepted Potamogeton ×nervigerus Wolfg. species accepted Potamogeton lucens f. insignis Tiselius form synonym Potamogeton polygonifolius f. norvegicus Hagstr. form synonym Potamogeton upsaliensis var. jaesevadensis Tiselius variety synonym Potamogeton ×nitens f. flumineus Hagstr. form synonym Potamogeton ×nitens f. jemtlandicus Tiselius form synonym Potamogeton ×intermedius Tiselius ex Fryer species synonym Potamogeton gramineus var. nigrescens (Fr.) Hagstr. variety synonym Potamogeton roxburghii F.Dietr. species synonym Potamogeton alpinus f. ovatifolius Hagstr. form synonym Potamogeton alpinus f. viridis Tiselius form synonym Potamogeton seemenii var. lanceolatifolius (Tiselius) Hagstr. variety synonym Potamogeton perfoliatus f. exornatus Hagstr. form synonym Potamogeton gramineus f. marinus Tiselius form synonym Potamogeton pusillus f. brevirostris Hagstr. form synonym Potamogeton lucens var. longipetiolatus Tiselius variety synonym Potamogeton ×nitens f. innominatus (Tiselius) Hagstr. form synonym Potamogeton perfoliatus var. macrophyllus Blytt variety synonym Potamogeton ×nitens f. neidensis Hagstr. form synonym Potamogeton praelongus f. brevifolius (Čelak.) Hagstr. form synonym Potamogeton gramineus var. boreale Laest. variety synonym Potamogeton lucens var. corniculatus G.Mey. variety synonym Potamogeton filiformis Pursh ex Tuck. species synonym Potamogeton polygonifolius var. amphibius (Fr.) Graebn. variety synonym Potamogeton obtusifolius f. microcarpus Hyl. form synonym Potamogeton trichoides var. monogynus (J.Gay) Magnin variety synonym Potamogeton lucens var. rotundifolius Klett & Richt. variety synonym Potamogeton gramineus f. lanceolatifolius Tiselius form synonym Potamogeton lucens subsp. zizii (Mert. & W.D.J.Koch) Nyman subspecies synonym Potamogeton heterophyllus Buch.-Ham. ex Wall. species accepted Potamogeton gramineus var. maximus Morong ex A.Benn. variety synonym Potamogeton ×lithuanicus Gorski, 1844 species synonym Potamogeton natans subsp. fluitans (Roth) Schübl. & G.Martens subspecies synonym Potamogeton crispus var. planifolius Klett & Richt. variety synonym Potamogeton ×fluitans var. billotii (F.W.Schultz) Nyman variety synonym Potamogeton compressus Rchb. species doubtful Potamogeton purshii Tuck. ex Jennison species heterotypic synonym Potamogeton ×harzii G.Fisch. species synonym Potamogeton lucens var. lancifolius Mert. & W.D.J.Koch variety synonym Potamogeton ×maemetsiae Zalewska-Gal. & Ronikier species accepted Potamogeton natans subsp. vulgaris Gaudin subspecies synonym Potamogeton plantagineus var. minor Gaudin variety synonym Potamogeton plantagineus var. rotundifolius Mert. & W.D.J.Koch variety synonym Potamogeton natans var. intermedius Mert. & W.D.J.Koch variety synonym Potamogeton panormitanus Biv. species synonym Potamogeton perfoliatus var. perfoliatus variety synonym Potamogeton berchtoldii Fieber species accepted Potamogeton serrulatus Opiz species heterotypic synonym Potamogeton filiformis Raf. species doubtful Potamogeton compressus Wahlenb. species doubtful Potamogeton octandrus var. limosellifolius (Maxim. ex Korsh.) Tzvelev variety synonym Potamogeton gracilis Fr. species heterotypic synonym Potamogeton longifolius J.Gay ex Poir. species synonym Potamogeton pusillus var. longipedunculatus Hicken variety synonym Potamogeton natans var. petiolaris Nyman variety synonym Potamogeton marinus Pall., 1773 species accepted Potamogeton lucens var. coriaceus Mert. & W.D.J.Koch variety synonym Potamogeton crispus Darl. species doubtful Potamogeton rufescens var. alpinus (Balb.) Mert. & W.D.J.Koch variety synonym Potamogeton lucens Weber, 1780 species synonym Potamogeton oblongifolius Hook.f. species synonym Potamogeton japonicus A.Benn. species synonym Potamogeton diversifolius var. capitatus Engelm. variety synonym Potamogeton natans var. oblongus (Viv.) Gaudin variety synonym Potamogeton ×venustus Baagøe ex A.Benn. species synonym Potamogeton alpinus Hegetschw. species doubtful Potamogeton pusillus subsp. mucronatus (Schrad. ex Sond.) Čelak. subspecies synonym Potamogeton pseudolongifolius Papch. species synonym Potamogeton ×jutlandicus Zalewska-Gal. species accepted Potamogeton varians Morong ex Fryer species synonym Potamogeton lucens Geners. species doubtful Potamogeton filiformis Nolte species accepted Potamogeton ×fluitans var. novaeboracensis (Morong) Graebn. variety synonym Potamogeton heterophyllus var. elongatus Mert. & W.D.J.Koch variety synonym Potamogeton coloratus var. siculus Nyman variety synonym Potamogeton rutilus Wolfg. species accepted Potamogeton ×semifructus A.Benn. species doubtful Potamogeton ×fluitans var. sublucens Baagøe ex Asch. & Graebn. variety synonym Potamogeton ×mirabilis Z.Kaplan, Hellq. & Fehrer species synonym Potamogeton acuminatus Wahlenb. species heterotypic synonym Potamogeton natans subsp. kirkii (Syme) Nyman subspecies synonym Potamogeton pusilliformis Hagstr. species synonym Potamogeton serratus Roth, 1788 species accepted Potamogeton perneglectus Gand. species synonym Potamogeton divaricatus Wolfg. species synonym Potamogeton iwatensis Makino species synonym Potamogeton serratus Scop., 1771 species doubtful Potamogeton sparganiifolius Bab. species synonym Potamogeton pusillus L. species accepted Potamogeton americanus var. novaeboracensis (Morong) A.Benn. variety synonym Potamogeton ×nerbiger Wolfg. species doubtful Potamogeton perfoliatus var. loeselii (Honck.) Gaudin variety synonym Potamogeton siculus Tineo ex Guss. species heterotypic synonym Potamogeton ×curvifolius var. palustris Mert. & W.D.J.Koch variety synonym Potamogeton burkartii Horn ex Tur, 1969 species accepted Potamogeton heterophyllus f. graminifolius (Fr.) Morong form synonym Potamogeton pusillus var. mucronulatus G.Fisch. variety synonym Potamogeton gramineus subsp. variifolius (Thore) Nyman subspecies synonym Potamogeton nitens Willd. ex Cham. & Schltdl. species synonym Potamogeton ×fluitans subsp. billotii (F.W.Schultz) K.Richt. subspecies synonym Potamogeton fluitans Sm. species doubtful Potamogeton tuckermanii J.W.Robbins species synonym Potamogeton mucronatus var. latifolius R.Ruthe ex G.Fisch. variety synonym Potamogeton gramineus subsp. heterophyllus (Schreb.) Schinz & Thell. subspecies synonym Potamogeton intermedius Cham. & Schltdl. species synonym Potamogeton burkartii Horn species synonym Potamogeton heterocaulis Z.S.Diao species accepted Potamogeton obtusifolius f. latifolius (Fieber) Soó form synonym Potamogeton tenuissimus Hook.f. species synonym Potamogeton caspargi Kohts, 1870 species synonym Potamogeton acutifolius subsp. mandschuriensis A.Benn. subspecies synonym Potamogeton ×acutus (G.Fisch.) Papch. species synonym Potamogeton ×decipiens var. longifolius Nyman variety synonym Potamogeton lucens subsp. brasiliensis A.Benn. ex Asch. & Graebn. subspecies synonym Potamogeton obtusifolius var. angustifolius Fieber variety synonym Potamogeton heterophyllus var. latifolius Mert. & W.D.J.Koch variety synonym Potamogeton mucronatus Schrad. ex Sond. species heterotypic synonym Potamogeton cyprifolius Lowe, 1907 species accepted Potamogeton mizuhikimo Makino species synonym Potamogeton pedersenii Tur species synonym Potamogeton herchtoldii Fieber species doubtful Potamogeton sturrockii A.Benn. species synonym Potamogeton trichoides var. tuberculosus Rchb. variety synonym Potamogeton compressus L. species accepted Potamogeton lucens var. longifolius (J.Gay ex Poir.) Crép. variety synonym Potamogeton setaceus Tausch, 1836 species accepted Potamogeton tricarinatus F.Muell. & A.Benn. species accepted Potamogeton ×ripensis Baagøe ex G.Fisch., 1907 species doubtful Potamogeton natans var. media W.D.J.Koch & Ziz variety synonym Potamogeton flexuosus Wredow species synonym Potamogeton serotinus Schrad. species synonym Potamogeton ×sterilis f. pernatans (G.Fisch.) Hagstr. form synonym Potamogeton rufescens subsp. rivularis (Gillot) Nyman subspecies heterotypic synonym Potamogeton hornemannii G.Mey. species synonym Potamogeton latifolius Cham. & Schltdl., 1827 species accepted Potamogeton heterophyllus var. major Morong variety synonym Potamogeton americanus var. thunbergii (Cham. & Schltdl.) A.Benn. variety synonym Potamogeton praelongus F.Muell. species heterotypic synonym Potamogeton natans Sturm, 1800 species doubtful Potamogeton pusillus var. latifolius Čelak. variety synonym Potamogeton serratus Huds., 1762 species synonym Potamogeton malaianus var. latifolius Nakai ex Mori variety synonym Potamogeton lucens var. zizii (Koch ex Roth) Asch. variety synonym Potamogeton ×roemeri F.J.Herm. species doubtful Potamogeton kashiensis Z.S.Diao species accepted Potamogeton robbinsii var. japonicus A.Benn. variety synonym Potamogeton vaseyi J.W.Robbins ex A.Gray species doubtful Potamogeton ×absconditus Z.Kaplan, Fehrer & Hellq. species accepted Potamogeton hybridus var. spicatus (Engelm.) J.W.Robbins variety synonym Potamogeton lucens subsp. vaginans Bojer ex A.Benn. subspecies synonym Potamogeton mucronatus C.Presl species heterotypic synonym Potamogeton capensis Schelle ex Hagstr. species synonym Potamogeton laticaule Wahlenb., 1824 species synonym Potamogeton denticulatus Link species synonym Potamogeton obtusus var. alpinus (Balb.) Gaudin variety synonym Potamogeton lanceolatus Rchb. species doubtful Potamogeton ×miguelensis Dandy species synonym Potamogeton oblongus Hegetschw. species doubtful Potamogeton lucens var. diversifolius Mert. & W.D.J.Koch variety synonym Potamogeton mucronatus Schrad. ex Roem. & Schult. species synonym Potamogeton ×fluitans subsp. americanus Graebn. subspecies synonym Potamogeton ×pseudosarmaticus Papch. species accepted Potamogeton praelongus f. pygmaeus Galinis form synonym Potamogeton natans var. pygmaeus Gaudin variety synonym Potamogeton volhynicus Besser, 1821 species synonym Potamogeton lucens subsp. macrophyllus (Wolfg.) Nyman subspecies synonym Potamogeton lucens var. cornutus Klett & Richt. variety synonym Potamogeton gramineus f. maximus (Morong) House form synonym Potamogeton rutilus subsp. caespitosus (Humn.) Nyman subspecies synonym Potamogeton gramineus f. spathuliformis J.W.Robbins form synonym Potamogeton huillensis Welw. ex A.Benn. species synonym Potamogeton elipticus Larrañaga species synonym Potamogeton compressus Sm. species doubtful Potamogeton natans var. fluitans (Roth) Cham. variety synonym Potamogeton angustifolius Bercht. & J.Presl ex Opiz species synonym Potamogeton petiolatus Wolfg. species synonym Potamogeton alpinus var. alpinus variety synonym Potamogeton coloratus subsp. subflavus (Loret & Barrandon) Nyman subspecies synonym Potamogeton ×involutus (Fryer) H.Groves & J.Groves species synonym Potamogeton ×pseudolacunatus Papch. species synonym Potamogeton ×lintonii Fryer species accepted Potamogeton macrophyllus Wolfg. species synonym Potamogeton trichoides Benth. species heterotypic synonym Potamogeton octandrus var. mizuhikimo (Makino) H.Hara variety synonym Potamogeton natans subsp. fluitans (Roth) Gaudin subspecies synonym Potamogeton pusillus var. africanus A.Benn. variety synonym Potamogeton minutissimus Mert. & W.D.J.Koch species synonym Potamogeton natans var. capensis T.Durand & Schinz variety synonym Potamogeton angustifolius Caley ex Graebn., 1907 species doubtful Potamogeton monogynus J.Gay species synonym Potamogeton ×kupffieri A.Benn. species synonym Potamogeton oxyphyllus var. faurei A.Benn. variety synonym Potamogeton perfoliatus subsp. bupleuroides (Fernald) R.T.Clausen subspecies synonym Potamogeton plantago T.Bastard species synonym Potamogeton leptophyllus Wallr., 1907 species heterotypic synonym Potamogeton ×fluitans var. robustus Tab.Morais variety synonym Potamogeton polygonifolius var. parnassiifolius (Schrad. ex Mert. & W.D.J.Koch) Nyman variety synonym Potamogeton natans subsp. petiolatus (Wolfg.) K.Richt. subspecies synonym Potamogeton nerviger Wolfg. ex Schult., 1827 species doubtful Potamogeton heterophyllus var. foliosus Mert. & W.D.J.Koch variety synonym Potamogeton ×decipiens var. salicifolius (Wolfg.) Nyman variety synonym Potamogeton ×serrulifer Z.Kaplan species accepted Potamogeton ×sparganiifolius Laest. ex Fr. species accepted Potamogeton ×drepanoides Z.Kaplan species accepted Potamogeton ×torssanderi (Tiselius) Dörfl. species accepted Potamogeton oxyphyllus var. fauriei A.Benn. variety synonym Potamogeton natans var. prolixus W.D.J.Koch variety synonym Potamogeton perfoliatus subsp. richardsonii (A.Benn.) Hultén subspecies synonym Potamogeton praelongus var. angustifolius Rouy variety synonym Potamogeton natans var. fluviatilis Fr. variety synonym Potamogeton lucens f. lancifolius (Mert. & W.D.J.Koch) Rchb. form synonym Potamogeton crispus var. acutifolius Fieber variety synonym Potamogeton ×fluitans var. spathulatus Kirschl. variety synonym Potamogeton crispus var. sinuatus Fr. variety synonym Potamogeton crispus f. gemmifer Rchb. form synonym Potamogeton zizii f. validus Rchb. form synonym Potamogeton javanicus subsp. variifolius (Thore) P.Fourn. subspecies synonym Potamogeton trichoides var. leiocarpus Asch. variety synonym Potamogeton oblongus var. ovato-oblongus Fieber variety synonym Potamogeton crispus var. obtusifolius Fieber variety synonym Potamogeton natans subsp. polygonifolius (Pourr.) Bonnier & Layens subspecies synonym Potamogeton crispus var. oppositifolius Gray variety synonym Potamogeton gramineus var. riparius Fr. variety synonym Potamogeton zizii var. validus Fieber variety synonym Potamogeton natans subsp. petiolaris (Nyman) Arcang. subspecies synonym Potamogeton pusillus subsp. panormitanus (Biv.) Schinz & R.Keller subspecies synonym Potamogeton perfoliatus f. ovatus Rchb. form synonym Potamogeton gramineus subsp. zizii (W.D.J.Koch ex Roth) Douin, 1931 subspecies synonym Potamogeton natans subsp. fluitans (Roth) Arcang., 1882 subspecies synonym Potamogeton rufescens f. alpinus (Balb.) Rchb. form synonym Potamogeton obtusifolius f. latifolius (Fieber) Rchb. form synonym Potamogeton acutifolius var. major Fieber variety synonym Potamogeton lucens f. coriaceus (Mert. & W.D.J.Koch) Nolte form homotypic synonym Potamogeton obtusifolius f. angustifolius (Fieber) Rchb. form synonym Potamogeton natans subsp. fluitans (Roth) Batt., 1895 subspecies synonym Potamogeton ×nitens var. salicifolius Fr. variety synonym Potamogeton acutifolius f. minor (Fieber) Rchb. form synonym Potamogeton pusillus subsp. panormitanus (Biv.) P.Fourn., 1935 subspecies synonym Potamogeton crispus f. serrulatus (Opiz) Schrad. ex Rchb. form synonym Potamogeton zizii f. elongatus (Mert. & W.D.J.Koch) Rchb. form synonym Potamogeton siculus subsp. subflavus (Loret & Barrandon) P.Fourn. subspecies synonym Potamogeton praelongus var. ellipticifolius Rouy variety synonym Potamogeton acutifolius var. minor Fieber variety synonym Potamogeton perfoliatus f. rotundifolius (Wallr.) Rchb. form synonym Potamogeton natans subsp. explanatus (Mert. & W.D.J.Koch) K.Richt. subspecies synonym Potamogeton lucens f. ovalifolius (Mert. & W.D.J.Koch) Rchb. form synonym Potamogeton crispus f. vulgaris Fieber form synonym Potamogeton proteus var. heterophyllus (Schreb.) Cham. & Schltdl., 1827 variety synonym Potamogeton obtusifolius f. elongatus Cham. & Schltdl. form synonym Potamogeton natans f. lancifolius (Fieber) Rchb. form synonym Potamogeton acutifolius f. major (Fieber) Rchb. form synonym Potamogeton polygonifolius var. parnassifolius (Mert. & W.D.J.Koch) Gren. & Godr. variety synonym Potamogeton ×luxurians Z.Kaplan species accepted Potamogeton oblongus f. cordifolius Cham. & Schltdl. form synonym Potamogeton alpinus subsp. spathulatus (Schrad. ex W.D.J.Koch & Ziz) Magnin subspecies synonym Potamogeton lucens f. coriaceus (Mert. & W.D.J.Koch) Nolte ex Rchb. form synonym Potamogeton crispus var. serratus Gray variety synonym Potamogeton perfoliatus var. densifolius G.Mey. variety synonym Potamogeton ×fluitans var. ambiguus Gren. & Godr. variety synonym Potamogeton crispus f. longifolius Fieber form synonym Potamogeton natans var. rotundifolius Bréb. variety synonym Potamogeton praelongus var. magninii Rouy variety synonym Potamogeton natans var. ovalifolius Fieber variety synonym Potamogeton coloratus var. helodes (Dumort.) A.Benn. variety synonym Potamogeton ×fluitans var. ellipticus Kirschl. variety synonym Potamogeton crispus f. serrulatus (Opiz) Schrad. form homotypic synonym Potamogeton serratus Lam., 1779 species synonym Potamogeton obtusifolius f. contractus Cham. & Schltdl. form synonym Potamogeton plantagineus subsp. fluitans (Roth) Bonnier & Layens subspecies synonym Potamogeton crispus f. latifolius Fieber form synonym Potamogeton lucens subsp. zizii (W.D.J.Koch ex Roth) Hartm., 1866 subspecies synonym Potamogeton perfoliatus f. ovatolanceolatus Rchb. form synonym Potamogeton natans f. vulgaris Rchb. form synonym Potamogeton zizii var. elongatus (Mert. & W.D.J.Koch) Fieber variety synonym Potamogeton natans var. terrestris Gray variety synonym Potamogeton gramineus var. terrestris Fr. variety synonym Potamogeton gramineus var. stagnalis Fr. variety synonym Potamogeton natans var. lancifolius Fieber variety synonym Potamogeton ×nitens var. angustifolius Fieber variety synonym Potamogeton natans f. angustifolius Regel form synonym Potamogeton pusillus subsp. trichoides (Cham. & Schltdl.) Bonnier & Layens subspecies synonym Potamogeton proteus var. zizii (W.D.J.Koch ex Roth) Cham. & Schltdl., 1827 variety synonym Potamogeton lucens var. angustifolius Gray variety synonym Potamogeton crispus f. angustifolius Fieber form synonym Potamogeton lucens subsp. longifolius (Poir.) Magnin subspecies synonym Potamogeton crispus var. major Gray variety synonym Potamogeton ×fluitans var. billotii F.W.Schultz, 1844 variety synonym Potamogeton natans var. angustifolius G.Mey. variety synonym Potamogeton praelongus var. brevifolius Čelak. variety synonym Potamogeton oblongus var. cordifolius (Cham. & Schltdl.) Fieber variety synonym Potamogeton ×clandestinus A.A.Bobrov, Zalewska-Gal. & Chemeris species accepted Potamogeton coloratus var. natans Rouy variety synonym Potamogeton ×nitens var. latifolius Fieber variety synonym Potamogeton natans f. ovalifolius (Fieber) Rchb. form synonym Potamogeton lucens f. acuminatus (Schumach.) Rchb. form synonym Potamogeton pusillus var. trichoides (Cham. & Schltdl.) Bolzon variety synonym Potamogeton ×belorussicus D.Dubovik species accepted Potamogeton ×fluitans var. americanus (Graebn.) P.Fourn. variety synonym Potamogeton crispus var. planifolius G.Mey. variety synonym Potamogeton proteus var. lucens Cham. & Schltdl., 1827 variety synonym Potamogeton heterophyllus f. gramineus (L.) Rchb. form synonym Potamogeton lucens var. nudus Gray variety synonym Potamogeton polygonifolius var. microcarpus A.Benn. variety synonym Potamogeton gramineus var. lacustris Fr. variety synonym Potamogeton praelongus var. stipularis Rouy variety synonym Potamogeton ×fluitans subsp. petiolaris (Nyman) Cif. & Giacom. subspecies synonym Potamogeton pusillus var. reptans (Humn.) Rouy variety synonym Potamogeton gramineus subsp. nitens (Weber) Douin subspecies synonym Potamogeton oblongus var. lancifolius (Cham. & Schltdl.) Fieber variety synonym Potamogeton lucens x natans species accepted Potamogeton alpinus x gramineus species accepted Potamogeton pusillus x trichoides species accepted Potamogeton gramineus x lucens species accepted Potamogeton lucens x perfoliatus species accepted Potamogeton berchtoldii x trichoides species accepted Potamogeton alpinus x polygonifolius species accepted Potamogeton gramineus x natans species accepted Potamogeton crispus x perfoliatus species accepted Potamogeton natans x polygonifolius species accepted Potamogeton alpinus × polygonifolius species accepted Potamogeton friesii × pusillus species accepted Potamogeton perfoliatus x praelongus species synonym Potamogeton berchtoldii × pusillus species accepted Potamogeton lucens × perfoliatus species accepted Potamogeton friesii × trichoides species accepted Potamogeton gramineus × praelongus species accepted Potamogeton crispus × praelongus species accepted Potamogeton compressus x trichoides species accepted Potamogeton alpinus x natans species synonym Potamogeton gramineus × natans species accepted Potamogeton gramineus × polygonifolius species accepted Potamogeton pusillus × trichoides species accepted Potamogeton lucens × natans species accepted Potamogeton ×rufescentoides H.Lév., 1917 species synonym Potamogeton lacunatifolius Papch. species accepted Potamogeton gramineus var. heterophyllus (Schreb.) Fr. variety synonym Potamogeton acutifolius Hornem. species heterotypic synonym Potamogeton lanceolatus Eichw. species heterotypic synonym Potamogeton ×crassifolius f. verrutus Fryer form synonym Potamogeton berchtoldii var. ramosissimus Fieber variety synonym Potamogeton ×undulatus var. cooperi Fryer variety synonym Potamogeton oblongus E.Mey., 1836 species accepted Potamogeton rufescens var. nerviger (Wolfg.) Nyman variety synonym Potamogeton oblongus f. lancifolius Cham. & Schltdl. form synonym Potamogeton monticola Schwein. species doubtful Potamogeton pusillus var. berchtoldii (Fieber) Nyman variety synonym Potamogeton acutifolius J.Presl & C.Presl species heterotypic synonym Potamogeton perfoliatus var. richardsonii A.Benn. variety synonym Potamogeton ×fluitans var. stagnatilis W.D.J.Koch variety synonym Potamogeton lucens var. teganumensis Makino variety synonym Potamogeton illinoensis var. ventanicola (Hicken) Horn variety synonym Potamogeton ×versicolor Z.Kaplan, Hellq. & Fehrer species accepted Potamogeton perfoliatus var. mandshuriensis A.Benn. variety synonym Potamogeton hybridus Petagna species heterotypic synonym Potamogeton lindenbergii (Mert. & W.D.J.Koch) Lehm., 1907 species synonym Potamogeton americanus Roem. & Schult. species heterotypic synonym Potamogeton ×oblongus G.Mey. species synonym Potamogeton americanus subsp. mascarensis (Cham. & Schltdl.) A.Benn. subspecies synonym Potamogeton ochreatus f. latifolius A.Benn. form synonym Potamogeton natans f. indicus Miq. form synonym Potamogeton ×torssandrii (Tiselius) Dörfl. species accepted Potamogeton dunicola Tur species synonym Potamogeton crispus var. gemmifer Rchb. variety synonym Potamogeton natans var. minor Mert. & W.D.J.Koch ex Lej. & Courtois variety synonym Potamogeton ×nitens f. involutus Fryer form synonym Potamogeton corsicus Rouy, 1904 species synonym Potamogeton trichoides var. tuberculatus (Ten. & Guss.) Nyman variety synonym Potamogeton zosterifolius var. minor Hook. variety synonym Potamogeton gramineus subsp. zizii (Mert. & W.D.J.Koch) K.Richt. subspecies synonym Potamogeton fluitans Pursh, 1813 species doubtful Potamogeton rutilus var. grisebachii (Heuff.) Nyman variety synonym Potamogeton ×spathulatus Kirschl., 1836 species synonym Potamogeton ×nitens var. curvifolius (Hartm.) Nyman variety synonym Potamogeton gramineus subsp. wolfgangii (Kihlm.) Nyman subspecies synonym Potamogeton polygonifolius subsp. microcarpus (Boiss. & Reut.) Nyman subspecies synonym Potamogeton ×spathulatus Nyman species synonym Potamogeton ×undulatus Wolfg. ex Schult. & Schult.f species doubtful Potamogeton caespitosus Nolte species heterotypic synonym Potamogeton plantagineus var. intermedius Gaudin variety synonym Potamogeton perfoliatus var. lancifolius Wimm. & Grab. variety synonym Potamogeton acutifolius var. divaricatus Wimm. & Grab. variety synonym Potamogeton perfoliatus var. ovatifolius Wallr. variety synonym Potamogeton pusillus var. panormitanus (Biv.) Nyman variety synonym Potamogeton ×assidens Z.Kaplan, Zalewska-Gal. & Ronikier species synonym Potamogeton lucens var. fluitans Coss. & Germ. variety synonym Potamogeton ×fluitans f. congestus G.Fisch. form synonym Potamogeton mucronatus f. obtusior G.Fisch. form synonym Potamogeton manschuriensis Bennell species doubtful Potamogeton natans subsp. intermedius Gaudin subspecies synonym Potamogeton rufescens subsp. nerviger (Wolfg.) K.Richt. subspecies synonym Potamogeton perfoliatus subsp. richardsonii (A.Benn.) A.E.Murray, 1982 subspecies synonym Potamogeton alpinus var. faxonii (Morong) Stevens variety synonym Potamogeton gramineus var. gramineus variety synonym Potamogeton pensylvanicus var. portoricensis Graebn. variety synonym Potamogeton ×fluitans f. typicus G.Fisch. form synonym Potamogeton tubulatus Hagstr. species accepted Potamogeton miyakozimensis Honda species synonym Potamogeton sumatranus Miq. species accepted Potamogeton ×heterophyllus Fr. species synonym Potamogeton rufescens subsp. helodes (Dumort.) K.Richt. subspecies synonym Potamogeton perfoliatus var. lanceolatus Blytt variety heterotypic synonym Potamogeton gramineus subsp. heterophyllus (Schreb.) K.Richt. subspecies synonym Potamogeton natans var. major W.D.J.Koch & Ziz variety synonym Potamogeton natans var. parnassiifolius (Schrad. ex Mert. & W.D.J.Koch) Boenn. variety synonym Potamogeton ×salicifolius Wolfg. ex Schult. & Schult.f. species synonym Potamogeton mucronatus var. angustifolius G.Fisch. variety synonym Potamogeton nodosus f. angustissimus Hagstr. form synonym Potamogeton ×perpygmaeus Hagstr. species homotypic synonym Potamogeton mucronatus Schrad. species synonym Potamogeton huillensis Welw. species homotypic synonym Potamogeton exstipulatus Willd. species homotypic synonym Potamogeton distinctus var. tonkinensis (E.G.Camus) V.C.Vu variety homotypic synonym Potamogeton mucronatus var. latifolius R.Ruthe variety homotypic synonym Potamogeton maximus Roehl. species homotypic synonym Potamogeton ×decipiens Nolte species synonym Potamogeton affinis Boenn. species homotypic synonym Potamogeton siculus Tineo species homotypic synonym Potamogeton capensis Schelle species homotypic synonym Potamogeton heterophyllus Buch.-Ham. species homotypic synonym Potamogeton americanus var. richardii (Solms) Solms variety homotypic synonym Potamogeton ×fluitans var. sublucens Baagøe variety homotypic synonym Potamogeton reichenbachii M.Loehr species homotypic synonym Potamogeton ×rothii A.Benn. species homotypic synonym Potamogeton filiformis Pursh species homotypic synonym Potamogeton tretocarpus Maxim. species homotypic synonym Potamogeton tenuissimus M.Loehr species homotypic synonym Potamogeton lucens subsp. vaginans Bojer subspecies homotypic synonym Potamogeton crispatus Wallman species homotypic synonym Potamogeton spathaeformis Tuck. species homotypic synonym Potamogeton occidentalis Sieber species homotypic synonym Potamogeton spathiformis Tuck. species homotypic synonym Potamogeton plantagineus Du Croz species synonym Potamogeton uliginosus Boenn. species homotypic synonym Potamogeton pumilum Nutt. species homotypic synonym Potamogeton caudatus Seidl species homotypic synonym Potamogeton mucronatus var. major R.Ruthe variety homotypic synonym Potamogeton malaianus var. latifolius Nakai variety homotypic synonym Potamogeton nitens Willd. species homotypic synonym Potamogeton purshianus Morong species homotypic synonym Potamogeton paludosus Bory species homotypic synonym Potamogeton limosellifolius Maxim. species synonym Potamogeton crassipes Kit. species homotypic synonym Potamogeton machianus Lowe species homotypic synonym Potamogeton crispus var. serrulatus Schrad. variety homotypic synonym Potamogeton liljebladii Wallman species homotypic synonym Potamogeton parnassiifolius Schrad. species homotypic synonym Potamogeton ×sparganiifolius Laest. species homotypic synonym Potamogeton longifolius J.Gay species homotypic synonym Potamogeton ×fluitans var. typicus Baagøe variety homotypic synonym Potamogeton pusillus var. elongatus A.Benn. variety synonym Potamogeton caricifolius Willd. species homotypic synonym Potamogeton ×burtonii E.Hopkins species homotypic synonym Potamogeton ×innominatus Tiselius species homotypic synonym Potamogeton gramineus f. maximus Morong form homotypic synonym Potamogeton megaphyllus Berry, 1914 species accepted Potamogeton middendorfensis Berry, 1914 species accepted Potamogeton xzizii W.D.J.Koch species homotypic synonym Potamogeton ×spathuliformis (J.W.Robbins) Morong species accepted Potamogeton ×fauriei (A.Benn.) Miki species accepted Potamogeton verticillatus Lesquereux, 1883 species accepted Potamogeton capillaceus Poir. species synonym Potamogeton crispus Laterr. species doubtful Potamogeton xzizii W.D.J.Koch ex Roth species synonym |
PNSS