| Hydrocharitaceae | |
Hydrocharis asarifolia
| Gray | Nat. Arr. Brit. Pl. 2: 220 | 1821 |
| Hydrocharitaceae | |
Hydrocharis asiatica
| Miq. | Fl. Ned. Ind. 3: 239 | 1856 |
| Hydrocharitaceae | |
Hydrocharis batrachyodegma
| St.-Lag. | Ann. Soc. Bot. Lyon 7: 71 | 1880 |
| Hydrocharitaceae | |
Hydrocharis bodinieri
| H. Lév. & Vaniot | Repert. Spec. Nov. Regni Veg. 5: 10 | 1908 |
| Hydrocharitaceae | |
Hydrocharis cellulosa
| Buch.-Ham. ex Prain | Bengal Pl. 2: 997 | 1903 |
| Hydrocharitaceae | |
Hydrocharis chevalieri
| (De Wild.) Dandy | J. Bot. 70: 227 | 1932 |
| Hydrocharitaceae | |
Hydrocharis chevalieri
| Dand | | |
| Hydrocharitaceae | |
Hydrocharis cordifolia
| Nutt. | Gen. N. Amer. Pl. 2: 241 | 1818 |
| Hydrocharitaceae | * |
Hydrocharis cordifolia
| St.-Lag. | Ann. Soc. Bot. Lyon 7: 70 | 1880 |
| Hydrocharitaceae | ! |
Hydrocharis dubia
| (Blume) Backer | Handb. Fl. Java 1: 64 | 1925 |
| Hydrocharitaceae | |
Hydrocharis laevigata
| (Humb. & Bonpl. ex Willd.) Byng & Christenh. | Global Fl. 4: 53 | 2018 |
| Hydrocharitaceae | |
Hydrocharis morsus-ranae
| L. | Sp. Pl. 2: 1036 | 1753 |
| Hydrocharitaceae | |
Hydrocharis parnassiifolia
| Hallier f. | Nova Guinea 8: 916 | 1913 |
| Hydrocharitaceae | |
Hydrocharis parvula
| Hallier f. | Nova Guinea 8: 916 | 1913 |
| Hydrocharitaceae | * |
Hydrocharis rotundifolia
| Gilib. | Fl. Lit. Inch. 2: 221 | 1782 |
| Hydrocharitaceae | |
Hydrocharis salifera
| Pellegr. | Bull. Soc. Bot. France 78: 182 | 1931 |
| Hydrocharitaceae | |
Hydrocharis spongia
| Bosc | Ann. Mus. Hist. Nat. 9: 396 | 1807 |
| Hydrocharitaceae | |
Hydrocharis stolonifera
| (G. Mey.) Kuntze | Revis. Gen. Pl. 3: 297 | 1898 |