CANADA:
British Columbia: southern part, in the Cariboo, Thompson-Nicola, and Okanagan regions.
USA:
Idaho: southwestern part, south of Interstate 84 in Owyhee and Twin Falls counties.
Nevada: northwestern part, north of Interstate 80 in Washoe, Humboldt, and western Elko counties.
Oregon: southeastern part, primarily in Harney and Malheur ...