Meaning of ALISMATIDAE

WordNet Dictionary
	Definition:		[n]  one of four subclasses or superorders of Monocotyledones; comprises about 500 species in 14 families of aquatic and semi-aquatic herbs
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	Synonyms:		subclass Alismatidae
	See Also:		class, class Liliopsida, class Monocotyledonae, class Monocotyledones, Liliopsida, Monocotyledonae, Monocotyledones