Crotalus Linnaeus, 1758
Crotalus oreganus abyssus Klauber, 1930
Crotalus oreganus caliginis Klauber, 1949
Crotalus oreganus cerberus (Coues, 1875)
Crotalus oreganus concolor Woodbury, 1929
Crotalus oreganus helleri Meek, 1905
Crotalus oreganus lutosus Klauber, 1930
Crotalus oreganus subsp. oreganus Holbrook, 1840