Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Kriti,
Krym,
Lebanon-Syria,
Manchuria,
Morocco,
Myanmar,
Nepal,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Pakistan,
Palestine,
Poland,
Portugal,
Qinghai,
Romania,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yakutskiya,
Yugoslavia
Introduced into:
Arkansas,
British Columbia,
California,
Colorado,
Connecticut,
Illinois,
Indiana,
Kentucky,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
Montana,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Québec,
Rhode I.,
Tennessee,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin