Astragalus frigidus var. americanus (Hooker) S. Watson
Astragalus frigidus var. americanus (Hooker) S. Watson is a synonym sensu POWO of:
Astragalus americanus (Hooker) M.E. Jones, an accepted species name sensu FNA Ed. Comm., 2023b.
Astragalus frigidus var. americanus (Hooker) S. Watson is a synonym sensu POWO of:
Astragalus americanus (Hooker) M.E. Jones, an accepted species name sensu FNA Ed. Comm., 2023b.