azolla

English Thesaurus

1. a genus of fern sometimes placed in its own family Azollaceae (noun.plant)

hypernym	:	fern genus,
definition	:	genera of ferns and fern allies (noun.plant)

member holonym	:	azolla caroliniana, carolina pond fern, floating fern, mosquito fern,
definition	:	small free-floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe (noun.plant)

member meronym	:	family salviniaceae, salviniaceae,
definition	:	water ferns (noun.plant)