/ Thesaurus / A Synonyms of astreus pteridis Find synonyms for: Noun1. Astreus pteridis, earthstarusage: the largest earthstar; the fruiting body can measure 15 cm across when the rays are expandedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language