Erysimum capitatum var. argillosum (Greene) R.J. Davis

Erysimum capitatum var. argillosum (Greene) R.J. Davis is a synonym sensu FNA Ed. Comm., 2010 of:

Erysimum capitatum var. purshii (Durand) Rollins, an accepted variety name sensu FNA Ed. Comm., 2010.