| Lepidium lasiocarpum var. latifolium CL. Hitchc., 1945 |
| Lepidium lasiocarpum var. orbiculare (Thell.) C.L. Hitchc., 1945 |
| Lepidium lasiocarpum var. palmeri (S. Watson) C.L. Hitchc., 1945 |
| Lepidium lasiocarpum var. rosulatum CL. Hitchc., 1945 |
| Lepidium lasiocarpum var. rotundum C.L. Hitchc., 1936 |
| Lepidium lasiocarpum var. wrightii (A. Gray) C.L. Hitchc., 1936 |
| Lepidium latifolium L., 1753 |
| Lepidium latipes Hook., 1837 |
| Lepidium latipes var. latipes Hook., 1837 |
| Lepidium leoicarpum Hook. & Arn., 1838 |
| Lepidium macrum Standl., 1937 |
| Lepidium matritense Pau, 1887 |
| Lepidium medium Greene, 1895 |
| Lepidium medium var. pubescens (Greene) B.L. Rob., 1895 |
| Lepidium montanum Nutt. ex Torr. & A. Gray, 1838 |
| Lepidium montanum subsp. alyssoides (A. Gray) C.L. Hitchc., 1950 |
| Lepidium montanum subsp. angustifolium (C.L. Hitchc.) C.L. Hitchc., 1950 |
| Lepidium montanum var. alyssoides (A. Gray) M.E. Jones, 1893 |
| Lepidium montanum var. angustifolium C.L. Hitchc., 1936 |
| Lepidium montanum var. eastwoodiae (Wooton) C.L. Hitchc., 1936 |