Lepidium lasiocarpum var. palmeri (S. Watson) C.L. Hitchc. in Mitt. Bot. Mus. Univ. Zürich 28: 267. 1945 sec. Rollins 1993
- ≡Lepidium palmeri S. Watson in Proc. Amer. Acad. Arts 24: 39. 1889 syn. sec. Rollins 1993
- =Lepidium lasiocarpum subsp. palmeri (S. Watson) Thell. in Mitt. Bot. Mus. Univ. Zürich 28: 267. 1906 syn. sec. Rollins 1993