Native to Arizona, British Columbia, California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming; introduced into Argentina South, Czechia-Slovakia, France, Germany, Tasmania (source: POWO). Flora of the World documents 3 occurrences across 1 country.
Location
United States, Oregon, Malheur (Harper)
43.776083, -117.754528
Location Remarks
Hwy 20, ca. 37 km east of Frances St. in Juntura, in Simmons Gulch. Elev. 852 m.
Collectors
Location
United States, California, Alameda County (Berkeley, UC Berkeley Botanical Garden)
37.87544, -122.238724
Location Remarks
Strawberry Canyon, University of California campus, city of Berkeley
Collectors
No collectors specified
Location
United States, Idaho, Boise (Lowman)
44.083139, -115.754194
Location Remarks
Ca. 4.2 km N of Banks-Lowman Rd (Hwy 17) on Scott Mtn Lookout Rd. (FSR 555BC). Elev. 1170 m.
Collectors