Eichhornia crassipes (Martius) Solms-Laubach in A.L.P.P. de Candolle, Monogr. Phan. 4: 527. 1883 sec. Charles N. Horn & al. 1994
- ≡Pontederia crassipes Martius in Nov. Gen. Sp. Pl. 1: t. 4. 1823
- ≡Piaropus crassipes (Martius) Rafinesque in Fl. Tell. 2: 81. 1837
- =Eichhornia speciosa Kunth in Enum. Pl. 4: 131. 1843
- =Heteranthera formosa Miquel in Linnaea 17: 61. 1843
- Holotype: Suriname, near Paramaribo, Focke 97
