Lupinus argenteus subsp. argenteus var. laxiflorus (Douglas ex Lindley) Dorn

Lupinus argenteus subsp. argenteus var. laxiflorus (Douglas ex Lindley) Dorn is a synonym sensu USDA NRCS, 2009+ of:

Lupinus argenteus Pursh var. argenteus, an accepted variety name sensu FNA Ed. Comm., 2023a.