Native to:
Altay,
Amur,
Baltic States,
Belarus,
Buryatiya,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Iceland,
Inner Mongolia,
Irkutsk,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Korea,
Krasnoyarsk,
Kuril Is.,
Magadan,
Manchuria,
North European Russi,
Northwest European R,
Norway,
Primorye,
Qinghai,
Sakhalin,
South European Russi,
Spain,
Sweden,
Ukraine,
West Siberia,
Xinjiang
Introduced into:
Alaska,
Albania,
Alberta,
Aleutian Is.,
Argentina South,
British Columbia,
Chile Central,
Chile South,
Connecticut,
Czechoslovakia,
Greenland,
Illinois,
Labrador,
Maine,
Manitoba,
Massachusetts,
Michigan,
Minnesota,
New Brunswick,
New Hampshire,
New York,
Newfoundland,
North Dakota,
Nova Scotia,
Ontario,
Poland,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
Vermont,
Wisconsin,
Yukon