/ Thesaurus / P Synonyms of pertusaria Find synonyms for: Noun1. Pertusaria, genus Pertusaria, fungus genususage: crustose lichens that are a source of the dye archil and of litmusWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language