| Pontederiaceae | ! |
Heteranthera acuta
| Willd. | Ges. Naturf. Freunde Berlin Neue Schriften 3: 438 | 1801 |
| Pontederiaceae | * |
Heteranthera acuta
| Vahl | Enum. Pl. 2: 42 | 1837 |
| Pontederiaceae | |
Heteranthera alismoides
| Humb. ex Link | Jahrb. Gewächsk. 3: 73 | 1820 |
| Pontederiaceae | |
Heteranthera callifolia
| Rchb. ex Kunth | Enum. Pl. 4: 121 (sphalm. 123) | 1843 |
| Pontederiaceae | |
Heteranthera catharinensis
| C.N. Horn & M. Pell. | PhytoKeys 82: 37, 1 holotype, 2A–I, 3 map | 2017 |
| Pontederiaceae | |
Heteranthera cordata
| Vahl | Enum. Pl. 2: 44 | 1805 |
| Pontederiaceae | |
Heteranthera diversifolia
| Vahl | Enum. Pl. 2: 44 | 1805 |
| Pontederiaceae | ! |
Heteranthera dubia
| (Jacq.) MacMill. | Metasp. Minnesota Valley 138 | 1892 |
| Pontederiaceae | ** |
Heteranthera dubia
| (Jacq.) Morong | Mem. Torrey Bot. Club 5(8): 105 | 1894 |
| Pontederiaceae | |
Heteranthera formosa
| Miq. | Linnaea 17: 61 | 1843 |
| Pontederiaceae | |
Heteranthera graminea
| (Michx.) Vahl | Enum. Pl. 2: 45 | 1806 |
| Pontederiaceae | |
Heteranthera grandiflora
| Klotzsch | Reis. Br.-Guiana 3: 1118 | 1848 [1849] |
| Pontederiaceae | |
Heteranthera hydrocleifolia
| Griseb. | Cat. Pl. Cub. 253 | 1866 |
| Pontederiaceae | |
Heteranthera kotschyana
| Fenzl ex Solms | Beitr. Fl. Aethiop. 294 | 1867 |
| Pontederiaceae | |
Heteranthera kotschyana
| Fenzl ex Solms-Laub. | | |
| Pontederiaceae | |
Heteranthera liebmannii
| (Buchenau) Shinners | Field & Lab. 23(1): 21 | 1955 |
| Pontederiaceae | ! |
Heteranthera limosa
| (Sw.) Willd. | Ges. Naturf. Freunde Berlin Neue Schriften 3: 439 | 1801 |
| Pontederiaceae | ** |
Heteranthera limosa
| (Sw.) Vahl | Enum. Pl. 2: 44 | 1806 |
| Pontederiaceae | |
Heteranthera longirachilla
| D.J.L.d. Sousa & Giul. | Syst. Bot. 43(2): 503–508, f. 1–3 | 2018 |
| Pontederiaceae | |
Heteranthera lutea
| (H. Perrier) M. Pell. | Nordic J. Bot. 35: 125–126 | 2017 |
| Pontederiaceae | |
Heteranthera mexicana
| S. Watson | Proc. Amer. Acad. Arts 18: 166 | 1883 |
| Pontederiaceae | |
Heteranthera missouriensis
| C.N. Horn | J. Bot. Res. Inst. Texas 14(1): 2, f. 1, 2–3 (map) | 2020 |
| Pontederiaceae | |
Heteranthera multiflora
| (Griseb.) C.N. Horn | Phytologia 59(4): 290 | 1986 |
| Pontederiaceae | |
Heteranthera oblongifolia
| C. Mart. ex Roem. & Schult. | Syst. Veg. (ed. 15 bis) 7(2): 1148 | 1830 |
| Pontederiaceae | |
Heteranthera osteniana
| Herter | Darwiniana 2: 19 | 1928 |
| Pontederiaceae | |
Heteranthera pauciflora
| C.N. Horn | J. Bot. Res. Inst. Texas 14(1): 3, f. 3 (map), 4 | 2020 |
| Pontederiaceae | |
Heteranthera peduncularis
| Benth. | Pl. Hartw. 25 | 1840 |
| Pontederiaceae | |
Heteranthera potamogeton
| Solms | Monogr. Phan. 4: 521 | 1883 |
| Pontederiaceae | ** |
Heteranthera pubescens
| A. Chev. | Explor. Bot. Afrique Occ. Franç. 1: 659 | 1920 |
| Pontederiaceae | |
Heteranthera pubescens
| Vahl | Enum. Pl. 2: 43 | 1837 |
| Pontederiaceae | |
Heteranthera pumila
| M. Pell. & C.N. Horn | PhytoKeys 82: 43, f. 3 map, 4A–F, 5A–K | 2017 |
| Pontederiaceae | ! |
Heteranthera reniformis
| Ruiz & Pav. | Fl. Peruv. 1: 43, .t. 71, fig. a | 1798 |
| Pontederiaceae | ! |
Heteranthera rotundifolia
| (Kunth) Griseb. | Cat. Pl. Cub. 252–253 | 1866 |
| Pontederiaceae | |
Heteranthera seubertiana
| Solms | Monogr. Phan. 4: 518 | 1882 |
| Pontederiaceae | |
Heteranthera spicata
| C. Presl | Symb. Bot. 1: 18, t. 10 | 1830 |
| Pontederiaceae | |
Heteranthera virginica
| (Pers.) Steud. | Nomencl. Bot. (ed. 2) 2: 29 | 1841 |
| Pontederiaceae | ** |
Heteranthera virginicus
| Steud. | Nomencl. Bot. ed. 2, 2: 29 | 1841 |
| Pontederiaceae | |
Heteranthera yucatana
| Carnevali, J.L. Tapia & J.R. Grande | Phytotaxa 547(1): 23, f. 1, 2 | 2022 |
| Pontederiaceae | |
Heteranthera zosterifolia
| Mart. | Nov. Gen. Sp. Pl. 1: 7 | 1823 |