Carterocephalus palaemon magnus Mattoon & Tilden 1998

Mattoon & Tilden 1998. Re-evaluation of North American Carterocephalus palaemon (Pallas) (Lepidoptera: Hesperiidae) and description of a new subspecies. Emmel, Thomas C.[Ed]. Systematics of western North American butterflies., Mariposa Press, Gainesville, 1998: i-xviii, 1-878. Chapter pagination: 641-660