Native to:
Afghanistan,
Algeria,
Angola,
Assam,
Bangladesh,
Benin,
Botswana,
Burkina,
Canary Is.,
Cape Provinces,
Cape Verde,
Chad,
Cyprus,
Djibouti,
Egypt,
Eritrea,
Ethiopia,
Free State,
Ghana,
Greece,
Guinea,
Gulf States,
India,
Iran,
Iraq,
Ivory Coast,
Kenya,
Kuwait,
KwaZulu-Natal,
Lebanon-Syria,
Lesotho,
Libya,
Mali,
Mauritania,
Morocco,
Mozambique,
Myanmar,
Namibia,
Niger,
Nigeria,
Northern Provinces,
Oman,
Pakistan,
Palestine,
Saudi Arabia,
Senegal,
Sicilia,
Sinai,
Socotra,
Somalia,
Spain,
Sri Lanka,
Sudan,
Swaziland,
Tunisia,
Turkey,
Turkmenistan,
Western Sahara,
Yemen,
Zambia,
Zimbabwe
Introduced into:
Alabama,
Albania,
Andaman Is.,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Ascension,
Austria,
Azores,
Bahamas,
Bolivia,
Brazil South,
Brazil West-Central,
Bulgaria,
Burundi,
California,
Cameroon,
Caroline Is.,
Cayman Is.,
Central African Repu,
China Southeast,
Colombia,
Congo,
Connecticut,
Cook Is.,
Corse,
Costa Rica,
Cuba,
Czechoslovakia,
Denmark,
Dominican Republic,
East Aegean Is.,
Ecuador,
El Salvador,
Finland,
Florida,
Gabon,
Galápagos,
Gambia,
Georgia,
Gilbert Is.,
Guatemala,
Gulf of Guinea Is.,
Hainan,
Haiti,
Hungary,
Illinois,
Indiana,
Italy,
Jawa,
Kansas,
Kazakhstan,
Kentucky,
Korea,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Louisiana,
Maine,
Malawi,
Marianas,
Marshall Is.,
Maryland,
Massachusetts,
Mauritius,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
Nauru,
Nepal,
Nevada,
New Caledonia,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Nicaragua,
Nicobar Is.,
Niue,
North Carolina,
Northern Territory,
Norway,
Ohio,
Oklahoma,
Paraguay,
Pennsylvania,
Portugal,
Primorye,
Puerto Rico,
Qinghai,
Queensland,
Rhode I.,
Rodrigues,
Romania,
Rwanda,
Réunion,
Samoa,
Sierra Leone,
Society Is.,
South Australia,
South Carolina,
Sweden,
Tadzhikistan,
Tanzania,
Tennessee,
Texas,
Togo,
Transcaucasus,
Trinidad-Tobago,
Tubuai Is.,
Turkey-in-Europe,
Uganda,
Utah,
Uzbekistan,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Vermont,
Victoria,
Vietnam,
Virginia,
West Virginia,
Western Australia,
Windward Is.,
Wisconsin,
Zaïre