Pontederia azurea Sw. species accepted

Pontederia martiana Schult.f. species synonym

Pontederia cordata f. cordata form synonym

Pontederia reniformis Larrañaga species doubtful

Eichhornia azurea var. rhizantha Seub. variety synonym

Cabanisia paradoxa (Mart. ex Schult. & Schult.f.) A.Haines species synonym

Cabanisia paniculata (Spreng.) A.Haines species synonym

Pontederia africana (Solms) M.Pell. & C.N.Horn species accepted

Pontederia gigantea D.J.Sousa species accepted

Pontederia reflexa D.J.Sousa species accepted

Pontederia meyeri (A.G.Schulz) M.Pell. & C.N.Horn species accepted

Pontederia australasica (Ridl.) M.Pell. & C.N.Horn species accepted

Pontederia heterosperma (Alexander) M.Pell. & C.N.Horn species accepted

Pontederia valida (G.X.Wang & Nagam.) M.Pell. & C.N.Horn species accepted

Pontederia cyanea (F.Muell.) M.Pell. & C.N.Horn species accepted

Pontederia diversifolia (Vahl) M.Pell. & C.N.Horn species accepted

Pontederia korsakowii (Regel & Maack) M.Pell. & C.N.Horn species accepted

Monochoria vaginalis subsp. africana Solms subspecies synonym

Pontederia brevipetiolata (Verdc.) M.Pell. & C.N.Horn species accepted

Pontederia elata (Ridl.) M.Pell. & C.N.Horn species accepted

Monochoria vaginalis subsp. angustifolia G.X.Wang subspecies synonym

Pontederia cordata var. angustifolia (Pursh) Torr. variety synonym

Pontederia cordata f. albiflora House form synonym

Pontederia cordata f. sagittata (C.Presl) Solms form synonym

Monochoria hastata var. hastata variety synonym

Pontederia cordata var. cordata variety synonym

Eichhornia cordifolia Gand. species heterotypic synonym

Pontederia azurea Poepp. ex Kunth, 1843 species doubtful

Piaropus crassipes (Mart.) Britton, 1893 species synonym

Unisema media var. media variety synonym

Pontederia obtusissima hort. ex Miq. species accepted

Pontederia oblonga Larrañaga species doubtful

Pontederia nymphaefolia Kunth, 1843 species accepted

Pontederia montevideensis hort. ex Gentil species accepted

Unisema sagittata Raf. species synonym

Pontederia coerulea Maund ex Steud. species accepted

Pontederia cernua L. ex B.D.Jacks. species accepted

Pontederia belophylla Voigt species doubtful

Unisema media var. albiflora Raf. variety synonym

Pontederia cordata f. bernardiae Lepage form synonym

Monochoria vaginalis subsp. plantaginea (Roxb.) Solms subspecies homotypic synonym

Pontederia lanceolata var. vichadensis P.P.J.Herman variety synonym

Eichhornia meyerae A.G.Schulz species synonym

Monochoria vaginalis subsp. pauciflora (Blume) Merr. subspecies synonym

Pontederia cordata var. lancifolia (Muhlenberg ex Elliott) L.B.Case variety synonym

Cabanisia meyeri (A.G.Schulz) A.Haines species synonym

Eichhornia crassipes (Mart.) Solms species homotypic synonym

Eichhornia speciosa Kunth species synonym

Pontederia crassipes Mart. species accepted

Heteranthera formosa Miq. species synonym

Eichhornia crassicaulis Schltdl. species synonym

Eichhornia cordifolia A.Rich. species heterotypic synonym

Piaropus crassipes (Mart.) Raf. species synonym

Pontederia crassicaulis Schltdl. species synonym

Piaropus mesomelas Raf. species synonym

Pontederia elongata Balf. species synonym

Eichhornia azurea (Sw.) Kunth species synonym

Pontederia tumida Willd. ex Kunth species synonym

Piaropus tricolor Raf. species synonym

Pontederia aquatica Vell. species synonym

Piaropus undulatus Raf. species synonym

Eichhornia aquatica (Vell.) Schltdl. species synonym

Piaropus azureus (Sw.) Raf. species synonym

Eichhornia paniculata (Spreng.) Solms species synonym

Eichhornia tricolor Seub. species synonym

Pontederia martiusiana Schult. & Schult.f. species synonym

Eichhornia martiusiana (Schult. & Schult.f.) Walp. species synonym

Piaropus paniculatus (Spreng.) Small species synonym

Pontederia martiana Seub. species synonym

Eichhornia martiana Seub. species synonym

Pontederia paniculata Spreng. species accepted

Pontederia tricolor Mart. ex Seub. species synonym

Eichhornia meyeri A.G.Schulz species synonym

Eichhornia diversifolia (Vahl) Urb. species synonym

Heteranthera cordata Vahl species synonym

Piaropus diversifolius (Vahl) P.Wilson species synonym

Eichhornia pauciflora Seub. species synonym

Eichhornia natans var. pauciflora (Seub.) Solms variety synonym

Heteranthera grandiflora Klotzsch species synonym

Heteranthera diversifolia Vahl species synonym

Pontederia natans P.Beauv. species accepted

Eichhornia natans (P.Beauv.) Solms species synonym

Eichhornia paradoxa (Mart. ex Schult. & Schult.f.) Solms species synonym

Eichhornia schultesiana Seub. species synonym

Pontederia paradoxa Mart. ex Schult. & Schult.f. species accepted

Eichhornia caracasana (Schltdl.) Benth. & Hook.f. species synonym

Eichhornia costaricana L.D.Gómez & Gómez-Laur. species synonym

Eichhornia heterosperma Alexander species synonym

Eichhornia venezuelensis Velásquez species synonym

Monochoria hastata (L.) Solms species synonym

Pontederia hastata L. species accepted

Carigola hastata (L.) Raf. species synonym

Monochoria hastifolia C.Presl species synonym

Pontederia sagittifolia B.Heyne ex Wall. species synonym

Monochoria dilatata (Banks) Kunth species synonym

Monochoria chinensis Gand. species synonym

Monochoria sagittata Kunth species synonym

Pontederia dilatata Buch.-Ham. species synonym

Pontederia sagittata C.Presl species accepted

Calcarunia hastata (L.) Raf. species synonym

Monochoria hastata var. elata (Ridl.) Backer variety synonym

Monochoria valida G.X.Wang & Nagam. species synonym

Monochoria elata Ridl. species synonym

Monochoria cyanea (F.Muell.) F.Muell. species synonym

Limnostachys cyanea F.Muell. species synonym

Monochoria australasica Ridl. species synonym

Monochoria korsakowii Regel & Maack species synonym

Monochoria korsakowii var. albiflora Makino variety synonym

Monochoria vaginalis var. korsakowii (Regel & Maack) Solms variety synonym

Monochoria africana (Solms) N.E.Br. species synonym

Monochoria vaginalis var. africana Solms variety synonym

Monochoria brevipetiolata Verdc. species synonym

Monochoria vaginalis (Burm.f.) C.Presl species synonym

Monochoria loureiroi Kunth species synonym

Monochoria pauciflora (Blume) Kunth species synonym

Pontederia vaginalis Blanco species heterotypic synonym

Pontederia vaginata Royle species synonym

Pontederia alba Buch.-Ham. ex Wall. species synonym

Boottia mairei H.Lév. species synonym

Monochoria vaginalis var. pauciflora (Blume) Merr. variety synonym

Pontederia pauciflora Blume species synonym

Monochoria junghuhniana Hassk. species synonym

Monochoria plantaginea (Roxb.) Kunth species synonym

Gomphima vaginalis (Burm.f.) Raf. species synonym

Pontederia lanceolata Nutt. species heterotypic synonym

Monochoria vaginalis var. plantaginea (Roxb.) Solms variety synonym

Pontederia linearis Hassk. species synonym

Pontederia cordata L. species accepted

Pontederia plantaginea Roxb. species accepted

Monochoria ovata Kunth species synonym

Monochoria vaginalis var. angustifolia G.X.Wang variety synonym

Pontederia loureiroana Schult. & Schult.f. species synonym

Pontederia racemosa Buch.-Ham. ex Wall. species synonym

Monochoria linearis (Hassk.) Miq. species synonym

Pontederia parviflora Alexander species accepted

Pontederia cordata var. parviflora (Alexander) Schery variety synonym

Pontederia triflora (Seub.) G.Agostini, D.Velázquez & J.Velásquez species accepted

Pontederia subovata (Seub.) Lowden species accepted

Hirschtia heterantherimorpha K.Schum. ex Schwartz species synonym

Pontederia lagoensis Warm. species synonym

Eichhornia subovata Seub. species synonym

Pontederia schomburgkiana Klotzsch species synonym

Pontederia heterantherimorpha O.Schwartz species synonym

Pontederia cordata var. sagittata (C.Presl) Schery variety synonym

Pontederia rotundifolia L.f. species accepted

Pontederia eriantha Miq. species synonym

Pontederia rotundifolia var. nymphaeifolia (Kunth) Solms variety synonym

Pontederia brasiliensis Willd. ex Schult. & Schult.f. species synonym

Pontederia nymphaeifolia Kunth species synonym

Unisema orbiculata Raf. species synonym

Pontederia falciloba Solms species synonym

Pontederia cordifolia Mart. ex Schult. & Schult.f. species synonym

Pontederia cordata f. latifolia House form synonym

Unisema deltifolia Raf. species synonym

Umsema mucronata Raf. species synonym

Unisema lancifolia Raf. species synonym

Unisema media Raf. species synonym

Pontederia maculata Donn species synonym

Pontederia mucronata Raf. ex Torr. species synonym

Unisema purshiana Raf. species synonym

Unisema latifolia Raf. species synonym

Pontederia ovalis Mart. ex Schult. & Schult.f. species accepted

Pontederia cordata f. bernardii Lepage form synonym

Narukila cordata (L.) Nieuwl. species synonym

Pontederia lanceolata f. brasiliensis (Solms) Fernald form synonym

Pontederia cordata var. lancifolia (Muhl.) Morong variety synonym

Unisema cordata f. latifolia (Muhl.) Farw. form synonym

Pontederia cordata var. ovalis (Mart.) Solms variety synonym

Pontederia lancifolia Muhl. species synonym

Pontederia angustifolia Pursh species synonym

Narukila cordata var. lancifolia (Muhl.) Nieuwl. variety synonym

Unisema obtusifolia (Raf.) Raf. species synonym

Unisema peduncularis Raf. species synonym

Pontederia cordata var. albiflora Short variety synonym

Pontederia obtusifolia (Raf.) A.DC. species synonym

Pontederia cordata f. angustifolia (Pursh) Solms form synonym

Unisema acutifolia Raf. species synonym

Pontederia lanceolata var. vichadensis F.J.Herm. variety synonym

Pontederia cordata var. lanceolata (Nutt.) Griseb. variety synonym

Unisema cordata f. angustifolia (Pursh) Farw. form synonym

Unisema heterophylla Raf. species synonym

Umsema obtusifolia Raf. species synonym

Unisema lancifolia f. trullifolia Farw. form synonym

Pontederia cordata f. taenia Fassett form synonym

Unisema mucronata Raf. species synonym

Unisema obliquata Raf. species synonym

Unisema rotundifolia Raf. species synonym

Pontederia lanceolata f. trullifolia Fernald form synonym

Pontederia cordata f. brasiliensis Solms form synonym

Unisema cordata (L.) Farw. species synonym

Pontederia lanceolata f. ovalis (Mart. ex Schult. & Schult.f.) A.Cast. form synonym

Pontederia crassipes Roem. & Schult. species synonym

Pontederia cordifolia Mart. species synonym

Pontederia rheedei Suresh & Nicolson species doubtful

Pontederia vaginalis Burm.f. species accepted

Pontederia lanceolata Wall. ex Kunth species heterotypic synonym

Pontederia azurea Hook., 1829 species doubtful

Pontederia ovalis Mart. species doubtful

Pontederia paradoxa Mart., 1830 species doubtful

Pontederia cordata Larrañaga, 1923 species doubtful

Pontederia cordata Lour. species heterotypic synonym

Pontederia dilatata Banks species synonym

Eichhornia azurea var. rigida Seub. variety synonym

Eichhornia azurea var. genuina Seub. variety synonym

Cabanisia martiana (Seub.) Schltdl. species synonym

Leptosomus natans (P.Beauv.) Schltdl. species synonym

Cabanisia caracasana Schltdl. species synonym

Reussia triflora Seub. species synonym

Reussia subovata (Seub.) Solms species synonym

Reussia grazielae Machado species synonym

Reussia rotundifolia (L.f.) A.Cast. species synonym

Sagittaria cerulea Raf. species synonym

Pontederia cordata f. ovalis (Mart.) A.Cast. form homotypic synonym

Pontederia lancifolia Muhlenberg ex Elliott species synonym

Pontederia cordata var. lancifolia (Muhl.) Torr. variety synonym

Pontederia sagittata Roxb. species heterotypic synonym

Eichhornia cordata Kunth species doubtful

Eichhornia speciosa Rojas Acosta species doubtful

Monochoria vaginalis (Burm.f.) C.Presl ex Kunth species homotypic synonym

Pontederia ovata Hook. & Arn. species heterotypic synonym

Pontederia montensis Fritel, 1910 species accepted

Pontederia tricolor Mart. species homotypic synonym

Pontederia alba Buch.-Ham. species homotypic synonym

Pontederia sagittifolia B.Heyne species homotypic synonym

Pontederia tumida Willd. species homotypic synonym

Pontederia cernua L. species homotypic synonym

Pontederia obtusissima hort. species homotypic synonym

Pontederia brasiliensis Willd. species homotypic synonym

Pontederia racemosa Buch.-Ham. species homotypic synonym

Pontederia montevideensis hort. species homotypic synonym

Pontederia azurea Poepp. species homotypic synonym

Pontederia lanceolata Wall. species homotypic synonym

Pontederia mucronata Raf. species homotypic synonym

Pontederia coerulea Maund species homotypic synonym

Hirschtia heterantherimorpha K.Schum. species homotypic synonym