| Lepidium flavum Torr., 1857 |
| Lepidium flavum var. apterum Henrard & Thell., 1918 |
| Lepidium flavum var. flavum Torr., 1857 |
| Lepidium fremontii S. Watson, 1871 |
| Lepidium georginum Rydb., 1903 |
| Lepidium gerloffianum Vatke & Thell., 1906 |
| Lepidium granulare Rose, 1905 |
| Lepidium greenei Thell., 1906 |
| Lepidium hirsutum Rydb., 1912 |
| Lepidium intermedium A. Rich., 1847 |
| Lepidium lasiocarpum Nutt. ex Torr. & A. Gray, 1838 |
| Lepidium lasiocarpum subsp. georginum (Rydb.) Thell., 1906 |
| Lepidium lasiocarpum subsp. palmeri (S. Watson) Thell., 1906 |
| Lepidium lasiocarpum subsp. wrightii Thell., 1906 |
| Lepidium lasiocarpum var. georginum (Rydb.) C.L. Hitchc., 1936 |
| Lepidium lasiocarpum var. lasiocarpum Nutt. ex Torr. & A. Gray, 1838 |
| 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 |