| Lepidium acutidens (A. Gray) Howell, 1897 |
| Lepidium alyssoides A. Gray, 1849 |
| Lepidium alyssoides var. alyssoides A. Gray, 1849 |
| Lepidium alyssoides var. angustifolium (C.L. Hitchc.) Rollins, 1993 |
| Lepidium alyssoides var. eastwoodiae (Wooton) Rollins, 1993 |
| Lepidium alyssoides var. mexicanum Rollins, 1993 |
| Lepidium armoracia (Fisch.) C.A. Mey., 1843 |
| Lepidium arvense Mill., 1768 |
| Lepidium austrinum Small, 1903 |
| Lepidium austrinum var. orbiculare Thell., 1906 |
| Lepidium bernardinum Abrams, 1910 |
| Lepidium bipinnatifidum Desv., 1815 |
| Lepidium californicum Nutt. ex Torr. & A. Gray, 1838 |
| Lepidium costaricense Thell., 1904 |
| Lepidium densiflorum Schrad., 1832 |
| Lepidium dictyotum A. Gray, 1868 |
| Lepidium dictyotum var. acutidens A. Gray, 1876 |
| Lepidium dictyotum var. dictyotum A. Gray, 1868 |
| Lepidium didymum L., 1767 |
| Lepidium diversifolium Freyn & Sint. ex Freyn, 1903 |