Achillea borealis subsp. californica (Pollard) D.D. Keck
Achillea borealis subsp. californica (Pollard) D.D. Keck is a synonym sensu FNA Ed. Comm., 2006a of:
Achillea borealis Bongard var. borealis, an accepted variety name sensu TROPICOS.
Achillea borealis subsp. californica (Pollard) D.D. Keck is a synonym sensu FNA Ed. Comm., 2006a of:
Achillea borealis Bongard var. borealis, an accepted variety name sensu TROPICOS.