Native to:
Alaska,
Alberta,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
British Columbia,
Central European Rus,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greenland,
Iceland,
Illinois,
Indiana,
Iowa,
Italy,
Kamchatka,
Kazakhstan,
Khabarovsk,
Korea,
Krasnoyarsk,
Labrador,
Magadan,
Maine,
Manitoba,
Michigan,
Minnesota,
Mongolia,
Montana,
New Brunswick,
New Hampshire,
New York,
Newfoundland,
North Caucasus,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nunavut,
Ontario,
Pennsylvania,
Poland,
Primorye,
Prince Edward I.,
Québec,
Romania,
Saskatchewan,
South European Russi,
Sweden,
Switzerland,
Tuva,
Ukraine,
Vermont,
West Siberia,
Wisconsin,
Yakutskiya,
Yukon
Introduced into:
Oregon