Sinonim horneophyton

English Thesaurus

1. Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller (noun.plant)

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

member meronym	:	family rhyniaceae, rhyniaceae,
definition	:	primitive plants of the Paleozoic (noun.plant)