Synonyms for Erysimum Asperum (same or very similar meaning)
WordNet sense 1 (biennial or short-lived perennial prairie rocket having orange-yellow flowers; western North America to Minnesota and Kansas; sometimes placed in genus Cheiranthus):
western wall flower, Cheiranthus asperus, Erysimum arkansanumFrom the ODE community, based on WordNetadd/edit