Native to:
Afghanistan,
Alaska,
Albania,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
China North-Central,
China South-Central,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Kirgizstan,
Krym,
Lebanon-Syria,
Manchuria,
Manitoba,
Mongolia,
Morocco,
Nepal,
Netherlands,
New Brunswick,
Newfoundland,
North Caucasus,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Nunavut,
Ontario,
Pakistan,
Poland,
Prince Edward I.,
Qinghai,
Québec,
Romania,
Sardegna,
Saskatchewan,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Turkey,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon