Descurainia pinnata var. nelsonii (Rydberg) M. Peck

Descurainia pinnata var. nelsonii (Rydberg) M. Peck is a synonym sensu FNA Ed. Comm., 2010 of:

Descurainia nelsonii (Rydberg) Al-Shehbaz & Goodson, an accepted species name sensu FNA Ed. Comm., 2010.