Draba canadensis var. pycnosperma (Fernald & C.H. Knowlton) O.E. Schulz

Draba canadensis var. pycnosperma (Fernald & C.H. Knowlton) O.E. Schulz is a synonym sensu FNA Ed. Comm., 2010 of:

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