pilularia

English Thesaurus

1. pillworts (noun.plant)

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

member holonym	:	pillwort, pilularia globulifera,
definition	:	European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps (noun.plant)

member meronym	:	family marsileaceae, marsileaceae,
definition	:	clover ferns (noun.plant)