The Collaborative International Dictionary of English v.0.48:
Chrysothamnus \Chrysothamnus\ n. a genus of low branching shrubs of West North America. Syn: genus Chrysothamnus. [WordNet 1.5]WordNet (r) 3.0 (2006):
Chrysothamnus n 1: genus of low branching shrubs of western North America [syn: Chrysothamnus, genus Chrysothamnus]