Lupinus sulphureus var. subsaccatus (Suksdorf) C.L. Hitchcock
Lupinus sulphureus var. subsaccatus (Suksdorf) C.L. Hitchcock is a synonym sensu FNA Ed. Comm., 2023a of:
Lupinus sulphureus var. bingenensis (Suksordf) Gandhi & Vincent, an accepted variety name sensu FNA Ed. Comm., 2023a.