Native to Arizona, California, Colorado, Idaho, Mexico Northwest, Montana, Nevada, New Mexico, Oregon, Utah, Wyoming (source: POWO). Flora of the World documents 1 occurrence across 1 country.
Location
United States, Idaho, Owyhee
42.904333, -115.692611
Location Remarks
Bruneau Canyon Scenic Overlook, 25 km south of Bruneau (ssmall town) on Hot Springs Rd., then 5 km west on unnamed road (Scenic overlook sign) to the canyon rim. 2240 m elev.
Collectors
Christopher Davidson, Sharon R. Christoph, Roy E. Gereau, Charlotte M. Taylor
Notes
Mixed conifer forest, mostly Douglas fir. Sandy, gravelly soil.