Perideridia gairdneri var. montana (Rydberg) B. Boivin

Perideridia gairdneri var. montana (Rydberg) B. Boivin is a synonym sensu FNA Ed. Comm., in prep. f of:

Perideridia montana (Rydberg) Dorn, an accepted species name sensu FNA Ed. Comm., in prep. f.