Order Rodentia (Part 4) Author James H. Honacki Author Kenneth E. Kinman Author James W. Koeppl text 1982 Alien Press, Inc. & The Association of Systematics Collections Lawrence, Kansas, USA Editor James H. Honacki Editor Kenneth E. Kinman Editor James W. Koeppl Mammal Species of the World (1 st Edition) 477 504 book chapter http://doi.org/10.5281/zenodo.7353034 4170533d-8435-4cb4-93df-e7f9489eb798 0-89327-235-3 7353034 Microtus californicus (Peale, 1848) . Mammalia and Ornithology in U.S. Expl. Exped..., 8:46 . REVIEWED BY: R. E. Barry, Jr. (REB); J. Ramirez-Pulido (JRP); G. Urbano-V. (GUV). TYPE LOCALITY: U.S.A. , California , Santa Clara Co., San Francisco Bay, probably at San Francisquito Creek, near Palo Alto . DISTRIBUTION: S.W. Oregon , south through California ( U.S.A. ) to N. Baja California ( Mexico ). COMMENT: Subgenus Microtus ; see Anderson, 1959 , Univ. Kans. Publ. Mus . Nat. Hist., 9:496; Gill, 1980:105- 117 , in Vorontsov and Van Brink, eds„ Animal Genetics and Evolution, Junk, The Hague, 353 pp., found evidence of sterility in crosses between M. c. californicus and M. c. stephensi. ISIS NUMBER: 5301410008080006001.