Native to:
Albania,
Altay,
Austria,
Baleares,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Central European Rus,
Corse,
Czechoslovakia,
East Aegean Is.,
East European Russia,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Iraq,
Italy,
Kazakhstan,
Kriti,
Krym,
Lebanon-Syria,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Ontario,
Palestine,
Poland,
Prince Edward I.,
Québec,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
West Siberia,
Yugoslavia
Introduced into:
Alaska,
Alberta,
Algeria,
Argentina Northeast,
Arkansas,
Baltic States,
Brazil West-Central,
California,
China North-Central,
China Southeast,
Chita,
Colorado,
Connecticut,
Delaware,
Denmark,
District of Columbia,
Dominican Republic,
Finland,
Georgia,
Haiti,
Idaho,
Illinois,
Indiana,
Ireland,
Kentucky,
Kirgizstan,
Korea,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
Montana,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
Norway,
Nova Scotia,
Ohio,
Oregon,
Pennsylvania,
Primorye,
Rhode I.,
Saskatchewan,
Sweden,
Tadzhikistan,
Taiwan,
Tasmania,
Utah,
Vermont,
Vietnam,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming,
Xinjiang