Lepidium alyssoides A. Gray  

Family: Brassicaceae

mesa pepperwort, more...mesa pepperwort, mountain pepperweed

[Lepidium alyssoides var. alyssoides A. Gray, moreLepidium alyssoides var. angustifolium (C.L. Hitchc.) Rollins, Lepidium alyssoides var. junceum Rollins, Lepidium montanum ssp. alyssoides (A. Gray) C.L. Hitchc., Lepidium montanum var. alyssoides (A. Gray) M.E. Jones, Lepidium montanum var. angustifolium C.L. Hitchc.]