Native to:
Albania,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Ireland,
Italy,
Kamchatka,
Kazakhstan,
Khabarovsk,
Krym,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Poland,
Portugal,
Primorye,
Romania,
Sakhalin,
South European Russi,
Spain,
Sweden,
Switzerland,
Ukraine,
West Siberia,
Yugoslavia
Introduced into:
Alaska,
Alberta,
Arizona,
British Columbia,
Colorado,
Connecticut,
Greenland,
Idaho,
Labrador,
Maine,
Manitoba,
Massachusetts,
Michigan,
Montana,
New Brunswick,
New Mexico,
New York,
Newfoundland,
Northwest Territorie,
Nova Scotia,
Ontario,
Oregon,
Québec,
Saskatchewan,
Vermont,
Washington,
Wisconsin