Spermophilus (Otospermophilus) beecheyi Richardson 1829
Spermophilus (Otospermophilus) beecheyi Richardson 1829, Fauna Boreali-Americana, Vol. 1: 170.
Type Locality: "neighborhood of San Francisco and Monterey, in Calfornia." Restricted by Grinnell (1933) to Monterey, Monterey Co., California, USA.
Vernacular Names: California Ground Squirrel.
Subspecies::
Subspecies Spermophilus (Otospermophilus) beecheyi subsp. beecheyi Richardson 1829
Subspecies Spermophilus (Otospermophilus) beecheyi subsp. douglasii Richardson 1829
Subspecies Spermophilus (Otospermophilus) beecheyi subsp. fisheri Merriam 1893
Subspecies Spermophilus (Otospermophilus) beecheyi subsp. nesioticus Elliot 1904
Subspecies Spermophilus (Otospermophilus) beecheyi subsp. nudipes Huey 1931
Subspecies Spermophilus (Otospermophilus) beecheyi subsp. parvulus A. H. Howell 1931
Subspecies Spermophilus (Otospermophilus) beecheyi subsp. rupinarum Huey 1931
Subspecies Spermophilus (Otospermophilus) beecheyi subsp. sierrae A. H. Howell 1938
Distribution: W Washington (USA) to Baja California Norte (Mexico).
Conservation: IUCN – Lower Risk (lc).
Discussion: Subgenus Otospermophilus (Hall, 1981:401) .