/ Thesaurus / P Synonyms of potato fern Find synonyms for: Noun1. potato fern, Marattia salicina, fernusage: large Australasian evergreen fern with an edible rhizome sometimes used as a vegetable by indigenous people2. potato fern, Solanopteris bifrons, fernusage: small epiphytic fern of South America with tuberous swellings along rhizomesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language