Erysimum capitatum var. nivale (Greene) N.H. Holmgren

Erysimum capitatum var. nivale (Greene) N.H. Holmgren is a synonym sensu FNA Ed. Comm., 2010 of:

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