Native to:
Afghanistan,
Alaska,
Albania,
Alberta,
Aleutian Is.,
Altay,
Amur,
Arizona,
Austria,
British Columbia,
Bulgaria,
Buryatiya,
California,
Chita,
Colorado,
Czechoslovakia,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Greenland,
Iceland,
Idaho,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Labrador,
Lebanon-Syria,
Magadan,
Manchuria,
Mongolia,
Montana,
Nevada,
New Mexico,
Newfoundland,
North Caucasus,
North European Russia,
Northwest Territories,
Norway,
Nunavut,
Oregon,
Pakistan,
Poland,
Primorye,
Québec,
Romania,
Sakhalin,
Spain,
Svalbard,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Turkey,
Tuva,
Utah,
Vermont,
Washington,
West Himalaya,
West Siberia,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon