/ Thesaurus / W Synonyms of wyethia helianthoides Find synonyms for: Noun1. white-rayed mule's ears, Wyethia helianthoides, wildflower, wild flowerusage: herb with basal leaves and leafy hairy stems bearing solitary flower heads with white or pale cream-colored rays; northwestern United StatesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language