Vicia nigricans subsp. gigantea (Hooker) Lassetter & C.R. Gunn

Vicia nigricans subsp. gigantea (Hooker) Lassetter & C.R. Gunn is a synonym sensu FNA Ed. Comm., 2023a of:

Vicia nigricans var. gigantea (Hooker) Broich, an accepted variety name sensu FNA Ed. Comm., 2023a.