Native to:
Afghanistan,
Alaska,
Albania,
Alberta,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Rus,
China South-Central,
Colorado,
Corse,
Cyprus,
Czechoslovakia,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Iceland,
Idaho,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Khabarovsk,
Krasnoyarsk,
Krym,
Labrador,
Maine,
Michigan,
Montana,
Morocco,
Nepal,
Netherlands,
Nevada,
New Brunswick,
New York,
Newfoundland,
North Caucasus,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Ontario,
Oregon,
Pakistan,
Poland,
Québec,
Romania,
Sakhalin,
South Dakota,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tibet,
Transcaucasus,
Turkey,
Tuva,
Ukraine,
Utah,
Vermont,
Washington,
West Himalaya,
West Siberia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon