Doubtfully present in:
Senegal
Native to:
Afghanistan,
Albania,
Algeria,
Austria,
Azores,
Baleares,
Baltic States,
Belgium,
Canary Is.,
Cape Verde,
China Southeast,
Corse,
Denmark,
East Aegean Is.,
France,
Germany,
Greece,
Italy,
Kriti,
Lebanon-Syria,
Madeira,
Morocco,
Netherlands,
Palestine,
Poland,
Portugal,
Sardegna,
Sicilia,
Spain,
Sweden,
Switzerland,
Taiwan,
Tunisia,
Turkey,
Yugoslavia
Introduced into:
Argentina Northeast,
Argentina Northwest,
Argentina South,
Ascension,
Bermuda,
Bolivia,
British Columbia,
California,
Cape Provinces,
Chile Central,
Colombia,
Czechoslovakia,
District of Columbia,
Easter Is.,
Galápagos,
Great Britain,
Gulf of Guinea Is.,
Hawaii,
Ireland,
Juan Fernández Is.,
Leeward Is.,
Louisiana,
Maine,
Mali,
Massachusetts,
New Caledonia,
New Jersey,
New York,
New Zealand North,
New Zealand South,
Norfolk Is.,
Nova Scotia,
Oregon,
Paraguay,
Pennsylvania,
Puerto Rico,
St.Helena,
Tasmania,
Texas,
Tristan da Cunha,
Uruguay,
Venezuela,
Virginia,
Windward Is.