Lupinus densiflorus subsp. austrocollium (C.P. Smith) D.B. Dunn

Lupinus densiflorus subsp. austrocollium (C.P. Smith) D.B. Dunn is a synonym sensu FNA Ed. Comm., 2023a of:

Lupinus microcarpus Sims var. microcarpus, an accepted variety name sensu FNA Ed. Comm., 2023a.