Engelsk definition
A plant of the class MAGNOLIOPSIDA. It is a primitive group of mostly aquatic plants.
A plant of the class MAGNOLIOPSIDA. It is a primitive group of mostly aquatic plants.
Natingsläktet — Posidonia — Najasar
Alismatale — Alismatidae — Posidonia — Posidonias — Ruppia — Ruppias — Najas