| Hydrocharitaceae | |
Aglae
| Dulac | Fl. Hautes-Pyrénées 43, 531 | 1867 |
| Hydrocharitaceae | |
Aloides
| Fabr. | Enum. 12 | 1759 |
| Hydrocharitaceae | |
Anacharis
| Rich. | Mém. Cl. Sci. Math. Inst. Natl. France 12(2): 7, 61 | 1814 |
| Hydrocharitaceae | |
Apalanche
| Caspary | Monatsber, Akad. Berlin 43 | 1857 |
| Hydrocharitaceae | |
Apalanthe
| Planch. | Ann. Mag. Nat. Hist., ser. 2, 1: 87 | 1848 |
| Hydrocharitaceae | |
Appertiella
| C.D.K. Cook & Triest | Studies on Aquatic Vascular Plants 75 | 1982 |
| Hydrocharitaceae | ** |
Barkania
| Ehrenb. | Abh. Königl. Akad. Wiss. Berlin 1832: 428 | 1834 |
| Hydrocharitaceae | |
Beneditaea
| Toledo | Arq. Bot. Estado São Paulo ser. 2. 1: 81 | 1942 |
| Hydrocharitaceae | ! |
Blyxa
| Noronha ex Thouars | Gen. Nov. Madagasc. 4 | 1806 |
| Hydrocharitaceae | * |
Blyxopsis
| Kuntze | Lex. Gen. Phan. 71 | 1903 [1904] |
| Hydrocharitaceae | |
Bootia
| Endl. | Gen. Pl. 162 | 1837 |
| Hydrocharitaceae | |
Boottia
| Wall. | Pl. Asiat. Rar. 1: 51 | 1830 |
| Hydrocharitaceae | ! |
Caulinia
| Willd. | Mém. Acad. Roy. Sci. Hist. (Berlin) 1798: 87 | 1801 |
| Hydrocharitaceae | |
Cavoliana
| Raf. | J. Phys. Chim. Hist. Nat. Arts 89: 259 | 1819 |
| Hydrocharitaceae | |
Cavolinia
| Raf. | Amer. Monthly Mag. & Crit. Rev. 2(3): 175 | 1818 |
| Hydrocharitaceae | ** |
Clymene
| Planch. | | 1844 [1848] |
| Hydrocharitaceae | * |
Damasonium
| Schreb. | Gen. Pl. 242 | 1789 |
| Hydrocharitaceae | *** |
Diplandra
| Bertero | Mercurio Chileno 13: 612 | 1829 |
| Hydrocharitaceae | |
Diplosiphon
| Decne. | Voy. Inde 4: 166 | 1844 |
| Hydrocharitaceae | ! |
Egeria
| Planch. | Ann. Sci. Nat., Bot., sér. 3, 11: 79 | 1849 |
| Hydrocharitaceae | * |
Elodea
| Rich. | Mém. Cl. Sci. Math. Inst. Natl. France 12(2): 4, 60 | 1814 |
| Hydrocharitaceae | ! |
Elodea
| Michx. | Fl. Bor.-Amer. 1: 20 | 1803 |
| Hydrocharitaceae | |
Enalus
| Asch. & Gürke | Nat. Pflanzenfam. 2(1): 254 | 1889 |
| Hydrocharitaceae | ! |
Enhalus
| Rich. | Mém. Cl. Sci. Math. Inst. Natl. France 12(2): 64 | 1814 |
| Hydrocharitaceae | |
Enhydrias
| Ridl. | J. Bot. 38: 69 | 1900 |
| Hydrocharitaceae | ** |
Epigynanthus
| Blume | Flora 8: 679 | 1825 |
| Hydrocharitaceae | ! |
Fluvialis
| Ség. | Pl. Veron. 3: 99 | 1754 |
| Hydrocharitaceae | ** |
Fluvialis
| Pers. | Syn. Pl. 2: 530 | 1807 |
| Hydrocharitaceae | ! |
Halophila
| Thouars | Gen. Nov. Madagasc. 2: 2 | 1806 |
| Hydrocharitaceae | |
Hydora
| Besser | Flora 15(2): Beibl. 13 | 1832 |
| Hydrocharitaceae | ! |
Hydrilla
| Rich. | Mém. Cl. Sci. Math. Inst. Natl. France 12(2): 9, 61, 76 | 1812 [1814] |
| Hydrocharitaceae | |
Hydrochaeris
| P. G. Gaertner, Meyer & Scherbius, | Oekon.-techn. Fl. Wetterau 3: 400 | 1801 |
| Hydrocharitaceae | |
Hydrocharella
| Benth. & Hook. f. | Gen. Pl. 3: 452 | 1883 |
| Hydrocharitaceae | ! |
Hydrocharis
| L. | Sp. Pl. 2: 1036 | 1753 |
| Hydrocharitaceae | |
Hydrolirion
| H. Lév. | Repert. Spec. Nov. Regni Veg. 11: 67 | 1912 |
| Hydrocharitaceae | |
Hydromystia
| Rydb. | N. Amer. Fl. 17: 73 | 1909 |
| Hydrocharitaceae | |
Hydromystria
| G. Mey. | Prim. Fl. Esseq. 152 | 1818 |
| Hydrocharitaceae | |
Hydrospondylus
| Hassk. | Flora 25(2) (Beibl.): 33. | 1842 |
| Hydrocharitaceae | |
Hydrotrophus
| C.B. Clarke | J. Linn. Soc., Bot. 14: 8 | 1873 |
| Hydrocharitaceae | |
Ittnera
| C.C. Gmel. | Fl. Bad. 3: 590 | 1808 |
| Hydrocharitaceae | |
Jalambicea
| Cerv. | Nov. Veg. Descr. 2: 12 | 1825 |
| Hydrocharitaceae | |
Lagarosiphon
| Harv. | J. Bot. (Hooker) 4: 230 | 1841 |
| Hydrocharitaceae | ! |
Lemnopsis
| Zipp. ex Zoll. | Syst. Verz. 75 | 1854 |
| Hydrocharitaceae | |
Limnobium
| Rich. | Mém. Cl. Sci. Math. Inst. Natl. France 12(2): 66 | 1814 |
| Hydrocharitaceae | |
Luchia
| Steud. | Nomencl. Bot. (ed. 2) 2: 75 | 1841 |
| Hydrocharitaceae | ! |
Maidenia
| Rendle | J. Bot. 54: 316 | 1916 |
| Hydrocharitaceae | ** |
Naias
| Adans. | Fam. Pl. 2: 472 | 1763 |
| Hydrocharitaceae | ! |
Najas
| L. | Sp. Pl. 2: 1015 | 1753 |
| Hydrocharitaceae | ! |
Nechamandra
| Planch. | Ann. Sci. Nat., Bot., sér. 3, 11: 78 | 1849 |
| Hydrocharitaceae | |
Oligolobos
| Gagnep. | Bull. Soc. Bot. France 54: 542 | 1907 |
| Hydrocharitaceae | ! |
Ottelia
| Pers. | Syn. Pl. 1: 400 | 1805 |
| Hydrocharitaceae | * |
Ottelia
| R. Hedw. | Gen. Pl. 255 | 1806 |
| Hydrocharitaceae | |
Philotria
| Raf. | Amer. Monthly Mag. & Crit. Rev. 2: 175 | 1818 |
| Hydrocharitaceae | |
Physkium
| Lour. | Fl. Cochinch. 642, 662 | 1790 |
| Hydrocharitaceae | |
Rhizakenia
| Raf. | Autik. Bot. 188 | 1840 |
| Hydrocharitaceae | * |
Saivala
| Jones | Asiat. Res. 4: 275 | 1799 |
| Hydrocharitaceae | * |
Sajorium
| Buch.-Ham. ex Wall. | Numer. List no. 5047 | 1831 |
| Hydrocharitaceae | * |
Schizotheca
| Ehrenb. ex Solms | Beitr. Fl. Aethiop. 1: 194, 246 | 1867 |
| Hydrocharitaceae | |
Stratioites
| Gilib. | Exerc. Phyt. 1: 342 | 1791 |
| Hydrocharitaceae | |
Stratiotes
| L. | Sp. Pl. 1: 535 | 1753 |
| Hydrocharitaceae | ! |
Thalassia
| Banks ex K.D. Koenig | Ann. Bot. (König & Sims) 2: 96 | 1805 [1806] |
| Hydrocharitaceae | |
Trianea
| H. Karst. | Linnaea 28: 424 | |
| Hydrocharitaceae | |
Udora
| Nutt. | Gen. N. Amer. Pl. 2: 242 | 1818 |
| Hydrocharitaceae | |
Valisneria
| Scop. | Intr. 68 | 1777 |
| Hydrocharitaceae | |
Vallisnera
| Cothen. | Disp. 3 | 1790 |
| Hydrocharitaceae | ! |
Vallisneria
| L. | Sp. Pl. 2: 1015 | 1753 |
| Hydrocharitaceae | |
Xystrolobos
| Gagnep. | Bull. Soc. Bot. France 54(7): 544 | 1907 |