Alismatales (alismatids) is an order of flowering plants including about 4500 species. Plants assigned to this order are mostly tropical or aquatic. Some grow in fresh water, some in marine habitats.
Family: Araceae (Arum Family)
Genera: Amorphophallus, Colocasia, Lasia, Pistia, Syngonium, Typhonium
Family: Alismataceae (Water-plantain Family)
Genera: Echinodorus, Hydrocleys, Limnocharis