Kennicott's Rattlesnake (Aploaspis lepida: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); Green Rattlesnake (Crotalus lepidus: Stejneger, Leonhard. 1895. The poisonous snakes of North America. Annual Report of the United States National Museum 1893(2):337-487); Blue Rattlesnake (Crotalus lepidus: Van Denburgh, John. 1922. The Reptiles of Western North America: An Account of the Species Known to Inhabit California and Oregon, Washinton, Idaho, Utah, Nevada, Arizona, British Columbia, Sonora, and Lower California. Volume I. Lizards. California Academy of Sciences, San Francisco. 556pp.); Green Rock Rattlesnake (Crotalus lepidus klauberi: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Eastern Rock Rattlesnake (Crotalus lepidus lepidus: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Rock Rattlesnake (Crotalus lepidus: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Banded Rock Rattlesnake (Crotalus lepidus klauberi: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Mottled Rock Rattlesnake (Crotalus lepidus lepidus: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.);