Native to:
Alaska,
Alberta,
Altay,
Amur,
Austria,
Belarus,
British Columbia,
Buryatiya,
Central European Rus,
China North-Central,
Chita,
Connecticut,
Czechoslovakia,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greenland,
Hungary,
Iceland,
Illinois,
Inner Mongolia,
Iowa,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Krasnoyarsk,
Krym,
Labrador,
Magadan,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mongolia,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North Carolina,
North Caucasus,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Nunavut,
Ohio,
Ontario,
Pennsylvania,
Poland,
Primorye,
Québec,
Rhode I.,
Romania,
Sakhalin,
Saskatchewan,
Sweden,
Switzerland,
Transcaucasus,
Tuva,
Ukraine,
Vermont,
Virginia,
West Siberia,
West Virginia,
Wisconsin,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon
Extinct in:
Baltic States