Native to:
Albania,
Algeria,
Austria,
Baleares,
Belgium,
Bulgaria,
Corse,
Czechoslovakia,
East Aegean Is.,
France,
Germany,
Great Britain,
Greece,
Hungary,
Ireland,
Italy,
Krym,
Lebanon-Syria,
Morocco,
Netherlands,
North Caucasus,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
Altay,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bolivia,
British Columbia,
California,
Canary Is.,
Central European Rus,
Colombia,
Colorado,
Connecticut,
Delaware,
Denmark,
District of Columbia,
Ecuador,
Idaho,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
New Zealand South,
North Carolina,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Québec,
Rhode I.,
South Dakota,
Tasmania,
Tennessee,
Texas,
Uruguay,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming