CCDB → Angiosperms → Pontederiaceae → Eichhornia
| Taxon name | Status | Median (n) |
| Eichhornia azurea (Sw.) Kunth | Accepted | 16 |
| Eichhornia crassipes (Mart.) Solms | Accepted | 16 |
| Eichhornia diversifolia (Vahl) Urb. | Accepted | 15 |
| Eichhornia heterosperma Alexander | Accepted | 15 |
| Eichhornia paniculata (Spreng.) Solms | Accepted | 8 |
| Eichhornia paradoxa (Mart.) Solms | Accepted | 8 |
| Eichhornia crassipes (Martius) Solms | Synonym of Eichhornia crassipes (Mart.) Solms | 16 |
| Eichhornia crassipes Solms | Synonym of Eichhornia crassipes (Mart.) Solms | 16 |
| Eichhornia speciosa Kunth | Synonym of Eichhornia crassipes (Mart.) Solms | 16 |
| Eichhornia martiana Seub. | Synonym of Eichhornia paniculata (Spreng.) Solms | 8 |