Dipodomys californicus Merriam, 1890 . N. Am. Fauna, 4:49.

TYPE LOCALITY: USA, California, Mendocino Co., Ukiah .

DISTRIBUTION: SC Oregon and N California to north of San Francisco Bay (USA).

STATUS: Subspecies eximius is listed as of Special Concern by the State of California Dept, of Fish and Game.

SYNONYMS: eximius Grinnell, saxatilis Grinnell and Linsdale.

COMMENTS: Considered distinct from heermanni based on chromosomal (Fashing, 1973) and biochemical data (Patton et al., 1976). Hall (1981:578) listed californicus as a subspecies of heermanni, without discussion of Patton et al. (1976). Reviewed by Kelt (1988b, Mammalian Species, 324).