Descurainia richardsonii var. alpestris (Cockerell) O.E. Schulz

Descurainia richardsonii var. alpestris (Cockerell) O.E. Schulz is a synonym sensu FNA Ed. Comm., 2010 of:

Descurainia incana (Bernhardi ex Fischer & C.A. Meyer) Dorn, an accepted species name sensu FNA Ed. Comm., 2010.