| Pontederiaceae | |
Reussia grazielae
| Machado | Revista Brasil. Biol. 7: 177 | 1947 |
| Pontederiaceae | |
Reussia rotundifolia
| (L. f.) A. Cast. | Lilloa 25: 593 | 1952 |
| Pontederiaceae | |
Reussia subovata
| (Seub.) Solms | Monogr. Phan. 4: 534 | 1883 |
| Pontederiaceae | |
Reussia triflora
| Seub. | Fl. Bras. 3(1): 96 | 1847 |