Water Weed (Elodea) also commonly known as Waterweed, is a biological genus in the family Hydrocharitaceae (Waternymphs) and order Alismatales.
Elodea canadensis
Elodea callitrichoides
Elodea bifoliata
Elodea nuttallii
Vallisneria
Lagarosiphon
Halophila
Limnobium
Thalassia
Najas
Stratiotes
Elodea