Native to:
Alaska,
Albania,
Alberta,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Russia,
China North-Central,
Chita,
Colorado,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Iceland,
Idaho,
Inner Mongolia,
Irkutsk,
Italy,
Japan,
Kamchatka,
Khabarovsk,
Korea,
Krasnoyarsk,
Kuril Is.,
Labrador,
Magadan,
Manchuria,
Michigan,
Minnesota,
Mongolia,
Montana,
Netherlands,
Newfoundland,
North Caucasus,
North European Russia,
Northwest Territories,
Norway,
Ontario,
Oregon,
Poland,
Portugal,
Primorye,
Québec,
Romania,
Sakhalin,
Spain,
Sweden,
Switzerland,
Taiwan,
Transcaucasus,
Turkey,
Tuva,
Ukraine,
Washington,
West Siberia,
Wisconsin,
Wyoming,
Yakutskiya,
Yugoslavia,
Yukon