Native to:
Afghanistan,
Alaska,
Altay,
Austria,
British Columbia,
Buryatiya,
California,
Chita,
Colorado,
East European Russia,
East Himalaya,
Finland,
France,
Føroyar,
Great Britain,
Greenland,
Iceland,
Idaho,
Inner Mongolia,
Ireland,
Irkutsk,
Italy,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Krasnoyarsk,
Kuril Is.,
Labrador,
Magadan,
Mongolia,
Montana,
Myanmar,
Nepal,
Nevada,
New Mexico,
Newfoundland,
North Caucasus,
North European Russia,
Northwest Territories,
Norway,
Oregon,
Pakistan,
Poland,
Québec,
Romania,
Sakhalin,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Tuva,
Utah,
Uzbekistan,
Vietnam,
West Himalaya,
West Siberia,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon