Native to:
Afghanistan,
Alaska,
Albania,
Alberta,
Aleutian Is.,
Altay,
Arizona,
Austria,
British Columbia,
Bulgaria,
Buryatiya,
California,
China South-Central,
Colorado,
Corse,
Czechia-Slovakia,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Greenland,
Iceland,
Idaho,
Iran,
Irkutsk,
Italy,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Labrador,
Maine,
Manitoba,
Mongolia,
Montana,
Morocco,
Nevada,
New Hampshire,
New Mexico,
New York,
Newfoundland,
North Caucasus,
North European Russia,
Northwest Territories,
Norway,
NW. Balkan Pen.,
Oregon,
Pakistan,
Poland,
Québec,
Romania,
Sardegna,
Spain,
Svalbard,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Tuva,
Türkiye,
Ukraine,
Uzbekistan,
Vermont,
Washington,
West Himalaya,
West Siberia,
Xinjiang,
Yukon