Native to:
Alaska,
Albania,
Alberta,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Rus,
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 Russi,
Northwest Territorie,
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