Native to:
Afghanistan,
Albania,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
India,
Iran,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Manchuria,
Mongolia,
Nepal,
Netherlands,
North Caucasus,
Northwest European R,
Norway,
Pakistan,
Poland,
Primorye,
Qinghai,
Romania,
Sakhalin,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yugoslavia
Introduced into:
Connecticut,
Dominican Republic,
Haiti,
Illinois,
Japan,
Kentucky,
Maryland,
Michigan,
Minnesota,
New Hampshire,
New York,
North European Russi,
Northern Provinces,
Ohio,
Ontario,
Pennsylvania,
Rhode I.,
Taiwan,
Vermont,
Virginia,
West Virginia