VASCULAR PLANT FAMILIES and GENERA
List of Genera in HYDROCHARITACEAE
Anacharis Richard = Elodea Michaux
Apalanthe Planchon = Elodea Michaux
Appertiella C. D. K. Cook & Triest
Benedictaea Toledo = Ottelia Persoon
Blyxa Richard
Boottia Wallich = Ottelia Persoon
Egeria Planchon
Elodea Michaux
Enhalus Richard
Enhydrias Ridley = Blyxa Richard
Halophila Thouars
Hydora Besser = Elodea Michaux
Hydrilla Richard
Hydrocharis L.
Hydromystria G. Meyer = Limnobium Richard
Lagarosiphon Harvey
Limnobium Richard
Maidenia Rendle
Najas L.
Nechamandra Planchon
Oligolobos Gagnepain = Ottelia Persoon
Ottelia Persoon
Philotria Rafinesque = Elodea Michaux
Serpulica Pursh = Elodea Michaux
Stratiotes L.
Thalassia C. Koenig
Udora Nuttall = Elodea Michaux
Vallisneria L.
Xystrolobus Gagnepain = Ottelia Persoon
For genera, see Cook (1998) and Haynes et al. (1998).