/ Thesaurus / O Synonyms of olfersia cervina Find synonyms for: Noun1. hart's-tongue, hart's-tongue fern, Olfersia cervina, Polybotrya cervina, Polybotria cervina, fernusage: tropical American terrestrial fern with leathery lanceolate fronds; sometimes placed in genus PolybotryaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language