/ Thesaurus / G Synonyms of genus phragmites Find synonyms for: Noun1. Phragmites, genus Phragmites, monocot genus, liliopsid genususage: reeds of marshes and riversides in tropical or temperate regionsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language