| 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 |
| Lepidium virginicum subsp. eu-virginicum Thell., 1906 |
| Lepidium virginicum subsp. menziesii (DC.) Thell., 1906 |
| Lepidium virginicum var. centrali-americanum (Thell.) C.L. Hitchc., 1945 |
| Lepidium virginicum var. durangense C.L. Hitchc., 1945 |
| Lepidium virginicum var. linearifolium Farw., 1930 |
| Lepidium virginicum var. medium (Greene) C.L. Hitchc., 1936 |
| Lepidium virginicum var. pubescens (Greene) Thell., 1906 |
| Lepidium virginicum var. robinsonii (Thell.) C.L. Hitchc., 1936 |
| Lepidium virginicum var. tepicense C.L. Hitchc., 1945 |
| Lepidium virginicum var. virginicum L., 1753 |
| Lepidium wrightii A. Gray, 1853 |
| Leptocarpaea DC., 1821 |