Native to Alberta, Arizona, British Columbia, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Saskatchewan, South Dakota, Texas, Utah, Washington, Wyoming (source: POWO). Flora of the World documents 1 occurrence across 1 country.
Location
United States, Idaho, Clark
44.402972, -111.816889
Location Remarks
On FSR 030/A2 (Clark County Rd.) ca 8 km E of Miracle Mile Rd. (90 degree turn). Elev. 1948 m.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Roadside strip in open farm country of gently rolling hills.