/ Thesaurus / G Synonyms of genus acrostichum Find synonyms for: Noun1. Acrostichum, genus Acrostichum, fern genususage: in some classification systems placed in family PolypodiaceaeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language