Lepidium alyssoides A. Gray var. alyssoides Lepidium alyssoides A. Gray var. alyssoides in Mem. Amer. Acad. Arts, n.s., 4(1): 10. 1849 sec. Rollins 1993=Lepidium montanum var. alyssoides (A. Gray) M.E. Jones in Zoë 4(3): 266. 1893 syn. sec. Warwick & al. 2006