Descurainia richardsonii subsp. viscosa (Rydberg) Detling

Descurainia richardsonii subsp. viscosa (Rydberg) Detling is a synonym sensu FNA Ed. Comm., 2010 of:

Descurainia incisa (Engelmann ex A. Gray) Britton subsp. incisa, an accepted subspecies name sensu FNA Ed. Comm., 2010.