Perideridia gairdneri subsp. borealis T. I. Chuang & Constance

Perideridia gairdneri subsp. borealis T. I. Chuang & Constance 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.