Mexican Cliffrose, Cliff Rose, Quinine Bush: Purshia stansburyana (Synonyms: Cowania mexicana, Cowania mexicana var. stansburyana, Purshia mexicana var. stansburyana)
Antelope Bitterbrush, Antelope Brush, Antelope-brush, Bitterbrush: Purshia tridentata (Synonyms: Kunzia tridentate, Purshia tridentata var. tridentata, Tigarea tridentate)