Attributes / relations provided by
♦ ¹Tamias speciosus, Troy L. Best, Robin G. Clawson, and Joseph A. Clawson, MAMMALIAN SPECIES No. 478, pp. 1-9 (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