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 Russia,
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 Russia,
Colombia,
Colorado,
Connecticut,
Delaware,
Denmark,
District of Columbia,
East European Russia,
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