AdultThe Freija Fritillary is easily distinguished by the central white spot in the median row of spots on the ventral hindwings. This spot is large and triangular, with the distal point of the triangle almost touching the more distal irregular white line. The only other species so marked is C. natazhati.
SubspeciesBC populations are the nominate subspecies, C.f. freija (Thunberg, 1791) (TL: Vestrobothnia and Lapland).