| Lepidium monticola Brandegee, 1907 |
| Lepidium nelsonii L.O. Williams, 1934 |
| Lepidium nitidum Nutt. ex Torr. & A. Gray, 1838 |
| Lepidium nitidum var. insigne Greene, 1891 |
| Lepidium nitidum var. nitidum Nutt. ex Torr. & A. Gray, 1838 |
| Lepidium oblongum Small, 1903 |
| Lepidium oblongum var. insulare C.L. Hitchc., 1945 |
| Lepidium oblongum var. oblongum Small, 1903 |
| Lepidium occidentale Howell, 1895 |
| Lepidium palmeri S. Watson, 1889 |
| Lepidium procumbens L., 1753 |
| Lepidium robinsonii Thell., 1906 |
| Lepidium ruderale L., 1753 |
| Lepidium ruderale var. lasiocarpum (Nutt.) Engelm., 1853 |
| Lepidium sativum L., 1753 |
| Lepidium schaffneri Thell., 1906 |
| Lepidium sordidum A. Gray, 1852 |
| Lepidium thurberi Wooton, 1898 |
| Lepidium virginicum L., 1753 |
| Lepidium virginicum subsp. centrali-americanum Thell., 1906 |