Seagrass (Halophila) is a biological genus in the family Hydrocharitaceae (Waternymphs) and order Alismatales.
Halophila decipiens
Halophila engelmannii
Halophila baillonis
Halophila hawaiiana
Halophila ovalis
Halophila minor
Vallisneria
Lagarosiphon
Halophila
Limnobium
Thalassia
Najas
Stratiotes
Elodea