/ Thesaurus / N Synonyms of nonflowering plant Find synonyms for: Noun1. pteridophyte, nonflowering plant, vascular plant, tracheophyteusage: plants having vascular tissue and reproducing by sporesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: anecdote Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language