Pontederia triflora (Seubert) Agostini in Ernstia 27: 9. 1984 sec. Charles N. Horn & al. 1994
- ≡Reussia triflora Endlicher ex Seubert in Martius, Fl. Bras. 3: 94. 1847
- =Pontederia lagoensis Warming in Vidensk. Meddel. Dansk Naturhist. Foren. Kjobenhavn 1871: t. 6. 1871
- ≡Reussia lagoensis (Warming) Castellanos in Arch. Jard. Bot. Rio de Janeiro 16: 209. 1958
- Holotype: Brazil, "Minas Geraes, ad Lagoa Santa", Warming 22226
- =Hirschtia heterantherimorpha K. Schumann ex Schwartz in Bot. Jahrb. Syst. 61: 41. 1928
- ≡Pontederia heterantherimorpha K. Schumann ex Schwartz in Bot. Jahrb. Syst. 61: 41. 1928
- Isotype: Brazil, Goias [sic Goyaz], without location, Glaziou 22228
- Holotype: Brazil, Goias [sic Goyaz], without location, Glaziou 22228
