Attributes / relations provided by
♦ ¹Tamias quadrimaculatus, Robin G. Clawson, Joseph A. Clawson, and Troy L. Best, MAMMALIAN SPECIES No. 469, pp. 1-6 (1994)
♦ ²An Ecological Survey of Endemic MOUNTAIN BEAVERS (Aplodontia rufa) in California, 1979-83, Dale T. Steele', State of California, THE RESOURCES AGENCY, Department of Fish and Game