Oxytropis deflexa subsp. retrorsa (Fernald) Á. Löve & D. Löve
Oxytropis deflexa subsp. retrorsa (Fernald) Á. Löve & D. Löve is a synonym sensu Welsh, 1991 of:
Oxytropis deflexa var. sericea Torrey & A. Gray, an accepted variety name sensu FNA Ed. Comm., 2023b.