Native to:
Afghanistan,
Albania,
Algeria,
Azores,
Baleares,
Canary Is.,
Cape Verde,
Chad,
Corse,
Cyprus,
Djibouti,
East Aegean Is.,
Egypt,
Eritrea,
Ethiopia,
France,
Greece,
Gulf States,
Iran,
Iraq,
Italy,
Kriti,
Kuwait,
Lebanon-Syria,
Libya,
Madeira,
Mauritania,
Morocco,
Niger,
North Caucasus,
NW. Balkan Pen.,
Oman,
Pakistan,
Palestine,
Portugal,
Sardegna,
Saudi Arabia,
Selvagens,
Sicilia,
Sinai,
Socotra,
Somalia,
Spain,
Sudan-South Sudan,
Tadzhikistan,
Transcaucasus,
Tunisia,
Turkmenistan,
Türkey,
Yemen
Introduced into:
Alberta,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Bangladesh,
Belgium,
Bermuda,
Bolivia,
Botswana,
Brazil South,
British Columbia,
California,
Cape Provinces,
Chatham Is.,
Chile Central,
Chile North,
Chile South,
Colombia,
Colorado,
Costa Rica,
Cuba,
Desventurados Is.,
East Himalaya,
Ecuador,
El Salvador,
Florida,
Free State,
Galápagos,
Georgia,
Germany,
Great Britain,
Guatemala,
Hawaii,
Honduras,
Idaho,
Illinois,
India,
Iowa,
Ireland,
Japan,
Juan Fernández Is.,
Kansas,
Kenya,
Kermadec Is.,
Korea,
KwaZulu-Natal,
Lesotho,
Louisiana,
Manitoba,
Maryland,
Massachusetts,
Mexican Pacific Is.,
Mexico Central,
Mexico Northeast,
Mexico Northwest,
Mexico Southwest,
Missouri,
Montana,
Namibia,
Nebraska,
Nepal,
Nevada,
New Brunswick,
New Caledonia,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Norfolk Is.,
North Dakota,
Northern Provinces,
Northern Territory,
Oklahoma,
Ontario,
Oregon,
Paraguay,
Peru,
Primorye,
Prince Edward I.,
Queensland,
Québec,
Réunion,
Saskatchewan,
South Australia,
South Carolina,
South Dakota,
Sri Lanka,
St.Helena,
Tanzania,
Tasmania,
Texas,
Tristan da Cunha,
Uruguay,
Utah,
Venezuela,
Victoria,
Washington,
West Himalaya,
Western Australia,
Wyoming,
Zimbabwe