Abronia umbellata subsp. breviflora (Standley) Munz
Abronia umbellata subsp. breviflora (Standley) Munz is a synonym sensu FNA Ed. Comm., 2003a of:
Abronia umbellata var. breviflora (Standley) L.A. Galloway, an accepted variety name sensu Jepson Flora Project, 2013.