| Narukila cordata Nieuwl. |
wfo-0000475490 |
| Narukila cordata var. lancifolia Nieuwl. |
wfo-0000475494 |
| Pontederia angustifolia Pursh |
wfo-0000500888 |
| Pontederia cordata f. albiflora House |
wfo-0000500941 |
| Pontederia cordata f. angustifolia (Pursh) Solms |
wfo-0000500967 |
| Pontederia cordata f. bernardii Lepage |
wfo-0000500974 |
| Pontederia cordata f. brasiliensis Solms |
wfo-0000500979 |
| Pontederia cordata f. cordata |
wfo-0001104622 |
| Pontederia cordata f. latifolia House |
wfo-0000500987 |
| Pontederia cordata f. ovalis (Mart.) A.Cast. |
wfo-0001033626 |
| Pontederia cordata f. taenia Fassett |
wfo-0000501028 |
| Pontederia cordata var. albiflora Short |
wfo-0000500950 |
| Pontederia cordata var. angustifolia (Pursh) Torr. |
wfo-0000500960 |
| Pontederia cordata var. cordata |
wfo-0001104625 |
| Pontederia cordata var. lanceolata (Nutt.) Griseb. |
wfo-0000500982 |
| Pontederia cordata var. lancifolia (Muhl.) Morong |
wfo-0000500984 |
| Pontederia cordata var. ovalis (Mart. ex Schult. & Schult.f.) Solms |
wfo-0000501001 |
| Pontederia lanceolata f. brasiliensis Fernald |
wfo-0000501093 |
| Pontederia lanceolata f. trullifolia Fernald |
wfo-0000501100 |
| Pontederia lanceolata Nutt. |
wfo-0000501088 |
| Pontederia lanceolata var. vichadensis F.J.Herm. |
wfo-0000501105 |
| Pontederia lancifolia Muhl. ex Elliott |
wfo-0000501106 |
| Pontederia maculata Donn |
wfo-0000501120 |
| Pontederia mucronata Raf. ex Torr. |
wfo-0000501136 |
| Pontederia nymphaeifolia Kunth |
wfo-0000501152 |
| Pontederia obtusifolia A.DC. |
wfo-0000501166 |
| Pontederia rotundifolia var. nymphaeifolia (Kunth) Solms |
wfo-0000501251 |
| Sagittaria cerulea Raf. |
wfo-0000736672 |
| Umsema mucronata Raf. |
wfo-0000596191 |
| Umsema obtusifolia Raf. |
wfo-0000596202 |
| Unisema acutifolia Raf. |
wfo-0000598217 |
| Unisema cordata f. angustifolia Farw. |
wfo-0000598240 |
| Unisema cordata Farw. |
wfo-0000598229 |
| Unisema cordata f. latifolia Farw. |
wfo-0000598251 |
| Unisema deltifolia Raf. |
wfo-0000598262 |
| Unisema heterophylla Raf. |
wfo-0000598273 |
| Unisema lancifolia f. trullifolia Farw. |
wfo-0000598294 |
| Unisema lancifolia Raf. |
wfo-0000598283 |
| Unisema latifolia Raf. |
wfo-0000598305 |
| Unisema media Raf. |
wfo-0000598316 |
| Unisema media var. albiflora Raf. |
wfo-0001285900 |
| Unisema mucronata Raf. |
wfo-0000598327 |
| Unisema obliquata Raf. |
wfo-0000598340 |
| Unisema obtusifolia Raf. |
wfo-0000598351 |
| Unisema peduncularis Raf. |
wfo-0000598373 |
| Unisema purshiana Raf. |
wfo-0000598384 |
| Unisema rotundifolia Raf. |
wfo-0000598395 |
| Unisema sagittata Raf. |
wfo-0000598406 |