Synonyms for American Pulsatilla (same or very similar meaning)
WordNet sense 1 (short hairy perennial with early spring blue-violet or lilac flowers; North America and Siberia):
American pasqueflower, Anemone ludoviciana, blue tulip, Eastern pasque flower, lion's beard, prairie anemone, Pulsatilla patens, wild crocusFrom the ODE community, based on WordNetadd/edit