/ Thesaurus / R Synonyms of rudbeckia hirta Find synonyms for: Noun1. black-eyed Susan, Rudbeckia hirta, Rudbeckia serotina, coneflowerusage: the state flower of Maryland; of central and southeastern United States; having daisylike flowers with dark centers and yellow to orange raysWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language