Native to:
Albania,
Algeria,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Corse,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Ireland,
Italy,
Krym,
Morocco,
Netherlands,
North Caucasus,
Northwest European R,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
Argentina Northeast,
Argentina South,
Arkansas,
Bermuda,
Bolivia,
British Columbia,
California,
Canary Is.,
Chile Central,
Chile South,
China Southeast,
Connecticut,
Delaware,
District of Columbia,
Falkland Is.,
Georgia,
Idaho,
Illinois,
Indiana,
Japan,
Kentucky,
Korea,
Madeira,
Maine,
Maryland,
Massachusetts,
Michigan,
Mississippi,
Missouri,
Montana,
New Jersey,
New York,
North Carolina,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Réunion,
South Carolina,
Tasmania,
Tennessee,
Utah,
Vermont,
Virginia,
Washington,
West Virginia