Native to:
Albania,
Algeria,
Austria,
Azores,
Baleares,
Bulgaria,
Canary Is.,
Cape Verde,
Corse,
Cyprus,
East Aegean Is.,
Egypt,
France,
Greece,
Hungary,
Italy,
Kriti,
Lebanon-Syria,
Libya,
Madeira,
Morocco,
North Caucasus,
Palestine,
Portugal,
Romania,
Sardegna,
Selvagens,
Sicilia,
Spain,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
Afghanistan,
Alabama,
Alaska,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Ascension,
Belgium,
Bermuda,
Bolivia,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Cape Provinces,
Central European Russia,
Chile Central,
Colombia,
Costa Rica,
Czechoslovakia,
Denmark,
Ecuador,
El Salvador,
Ethiopia,
Finland,
Florida,
Germany,
Great Britain,
Guatemala,
Haiti,
Hawaii,
Idaho,
Illinois,
India,
Ireland,
Jamaica,
Japan,
Kenya,
Korea,
KwaZulu-Natal,
Louisiana,
Maine,
Massachusetts,
Mauritius,
Mexican Pacific Is.,
Mexico Northwest,
Mississippi,
Missouri,
Netherlands,
New Brunswick,
New Hampshire,
New York,
New Zealand North,
Norfolk Is.,
North Carolina,
Northern Provinces,
Norway,
Nova Scotia,
Ontario,
Oregon,
Pennsylvania,
Peru,
Poland,
Prince Edward I.,
Rhode I.,
Réunion,
Saudi Arabia,
South Carolina,
St.Helena,
Sweden,
Tanzania,
Tasmania,
Texas,
Tubuai Is.,
Uganda,
Uruguay,
Washington,
West Himalaya,
Yemen,
Zimbabwe