Its range is mainly confined to British Columbia , Canada .
Pieris marginalis reicheli , the Reichel 's margined white butterfly , is one of the many subspecies of Pieris marginalis .
Pieris marginalis reicheli 's range is mainly confined to British Columbia , Canada .
Pieris marginalis reicheli , the Reichel 's margined white butterfly , is one of the many subspecies of Pieris marginalis .