Spermophilus beldingi (=Urocitellus beldingi)
Spermophilus beecheyi (=Otospermophilus beecheyi)
Spermophilus lateralis (=Callospermophilus lateralis)

Mammals - Photo no rights reserved, uploaded by Abhas Misraraj Check list for Mammals (Class Mammalia)
Source: Morrison, M. L., M. P. Yoder-Williams, D. C. Erman, R. H. Barrett, A. S. Leopold, and D. A. Airola. 1985. Natural history of vertebrates of the Sagehen Creek Basin, Nevada County, California. Div. Agric. and Nat. Resour., Agric. Exp. Sta., Univ. Calif., Berkeley. 16 pp. (Link)
loarie Added by loarie on February 25, 2012