Countries USA, Canada
Regions
CANADA:

- British Columbia: southern part, in the Cariboo, Thompson-Nicola, and Okanagan regions.
- 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 counties.
- Washington: north-central part, near the British Columbia border in Okanogan and Ferry counties; central part in Kittitas and Yakima counties; northeastern part in Asotin, Garfield, and Columbia counties.
- Utah: small population in the northwestern part of the state.










