Draba glabella var. pycnosperma (Fernald & C.H. Knowlton) G.A. Mulligan

Draba glabella var. pycnosperma (Fernald & C.H. Knowlton) G.A. Mulligan is a synonym sensu Al-Shehbaz & Mulligan, 2013 of:

Draba pycnosperma Fernald & C.H. Knowlton, an accepted species name sensu Al-Shehbaz & Mulligan, 2013.