Petalostemon candidus var. occidentalis A. Gray ex Britton & Kearney nom. nud.
Petalostemon candidus var. occidentalis A. Gray ex Britton & Kearney nom. nud. is a synonym sensu TROPICOS of:
Dalea candida var. oligophylla (Torrey) Shinners, an accepted variety name sensu FNA Ed. Comm., 2023a.