[Lepidium idahoense A. Heller, moreLepidium medium Greene, Lepidium medium var. pubescens (Greene) B.L. Rob., Lepidium menziesii DC., Lepidium virginicum var. medium (Greene) C.L. Hitchc., Lepidium virginicum var. menziesii (DC.) C.L. Hitchc., Lepidium virginicum var. pubescens (Greene) Thell., Lepidium virginicum var. robinsonii (Thell.) C.L. Hitchc.]