Order Lagomorpha 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) 595 604 book chapter http://doi.org/10.5281/zenodo.7353003 0-89327-235-3 7353003 Sylvilagus idahoensis (Merriam, 1891) . N. Am. Fauna, 5:76 . TYPE LOCALITY: U.S.A. , Idaho , Custer County, near Goldburg . DISTRIBUTION: S.W. Oregon to E.C. California , S.W. Utah , north to S.W. Montana ( U.S.A. ). Isolated population in W.C. Washington ( U.S.A. ). COMMENT: The status of the isolated Washington population is uncertain. Placed in the monotypic genus Brachylagus by Dawson, 1967 , Univ. Kans. Dept. Geol. Spec. Publ. No. 2, p. 303; and, together with bachmani , in the genus Microlagus by Gureev, 1964:170- 173 ; but also see Hall, 1981:294 , who recognized Brachylagus as a subgenus. Reviewed by Green and Flinders, 1980 , Mamm. Species, 125:1-4, under the name Brachylagus . ISIS NUMBER: 5301409002008008001.