Crataegus columbiana var. occidentalis (Britton) Dorn
Crataegus columbiana var. occidentalis (Britton) Dorn is a synonym sensu TROPICOS of:
Crataegus macracantha Loddiges ex Loudon, an accepted species name sensu FNA Ed. Comm., 2014.
Crataegus columbiana var. occidentalis (Britton) Dorn is a synonym sensu TROPICOS of:
Crataegus macracantha Loddiges ex Loudon, an accepted species name sensu FNA Ed. Comm., 2014.