Native to:
Afghanistan,
Alaska,
Albania,
Alberta,
Altay,
Amur,
Austria,
Baltic States,
Bangladesh,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
Central European Rus,
China North-Central,
China South-Central,
Chita,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Iceland,
Idaho,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Labrador,
Lebanon-Syria,
Magadan,
Manchuria,
Manitoba,
Minnesota,
Mongolia,
Montana,
Morocco,
Myanmar,
Netherlands,
Newfoundland,
North Caucasus,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Nunavut,
Ontario,
Pakistan,
Pennsylvania,
Poland,
Primorye,
Qinghai,
Québec,
Romania,
Sakhalin,
Saskatchewan,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Tuva,
Ukraine,
Utah,
Uzbekistan,
Washington,
West Himalaya,
West Siberia,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon
Introduced into:
Canary Is.