Lepidium schaffneri Thell. Lepidium schaffneri Thell., Neue Denkschr. Schweiz. Naturf. Ges. 41, Abh. 1: 261. 1906 sec. Rollins 1993=Lepidium monticola Brandegee in Zoë 5(11): 232-233. 1907 syn. sec. Rollins 1993