Hydrocharitaceae Juss.

Appertiella C.D.K.Cook & Triest
Blyxa Noronha ex Thouars
Egeria Planch.
Elodea Michx.
Enhalus Rich.
Enhydrias Ridl.
Halophila Thouars
Hydrilla Rich.
Hydrocharis L.
Lagarosiphon Harv.
Limnobium Rich.
Maidenia Rendle
Najas L.
Nechamandra Planch.
Ottelia Pers.
Stratiotes L.
Thalassia Banks ex C.Koenig
Vallisneria L.