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CCDB → Angiosperms → Pontederiaceae → Pontederia
| Taxon name | Status | Median (n) |
| Pontederia cordata L. | Accepted | 8 |
| Pontederia parviflora Alexander | Accepted | 8 |
| Pontederia rotundifolia L. | Accepted | 16 |
| Pontederia sagittata C. Presl | Accepted | 8 |
| Pontederia cordata var. cordata | Synonym of Pontederia cordata L. | 8 |
| Pontederia cordata var. ovalis (Mart.) Solms | Synonym of Pontederia cordata L. | 8 |