isoetaceae

English Thesaurus

1. quillworts; coextensive with the genus Isoetes (noun.plant)

hypernym	:	fern family,
definition	:	families of ferns and fern allies (noun.plant)

member holonym	:	genus isoetes, isoetes,
definition	:	type and genus of the Isoetaceae and sole extant genus of the order Isoetales (noun.plant)

member meronym	:	isoetales, order isoetales,
definition	:	aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales (noun.plant)