Native to:
Alaska,
Albania,
Alberta,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Central European Russia,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Iceland,
Inner Mongolia,
Iran,
Ireland,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Korea,
Krasnoyarsk,
Labrador,
Magadan,
Maine,
Manchuria,
Manitoba,
Michigan,
Minnesota,
Mongolia,
Montana,
Netherlands,
New Brunswick,
New Hampshire,
Newfoundland,
North Caucasus,
North European Russia,
Northwest European Russia,
Northwest Territories,
Norway,
Nova Scotia,
Nunavut,
Ontario,
Poland,
Primorye,
Québec,
Romania,
Saskatchewan,
South European Russia,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Ukraine,
Washington,
West Himalaya,
West Siberia,
Wisconsin,
Yakutskiya,
Yugoslavia,
Yukon