Native to:
Angola,
Assam,
Bangladesh,
Benin,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Caprivi Strip,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Comoros,
Congo,
Cook Is.,
Djibouti,
East Himalaya,
Eritrea,
Ethiopia,
Free State,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Lesotho,
Lesser Sunda Is.,
Madagascar,
Malawi,
Mali,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
Niger,
Nigeria,
Northern Provinces,
Oman,
Philippines,
Rwanda,
Saudi Arabia,
Sierra Leone,
Socotra,
Somalia,
Sri Lanka,
Sudan,
Sulawesi,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Tibet,
Uganda,
Vietnam,
West Himalaya,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Algeria,
Andaman Is.,
Argentina Northeast,
Argentina Northwest,
Ascension,
Azores,
Bahamas,
Baleares,
Belize,
Bermuda,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Canary Is.,
Cape Verde,
Caroline Is.,
Cayman Is.,
Chagos Archipelago,
Cocos (Keeling) Is.,
Colombia,
Costa Rica,
Cuba,
Dominican Republic,
Ecuador,
El Salvador,
Fiji,
Florida,
Galápagos,
Gilbert Is.,
Guatemala,
Haiti,
Hawaii,
Honduras,
Iraq,
Italy,
Jamaica,
Kermadec Is.,
Leeward Is.,
Liberia,
Line Is.,
Madeira,
Malaya,
Maldives,
Maluku,
Marcus I.,
Marianas,
Marquesas,
Marshall Is.,
Mauritius,
Mexico Gulf,
Mexico Northeast,
Mexico Southwest,
Nauru,
Netherlands Antilles,
New Caledonia,
New Guinea,
New South Wales,
New Zealand North,
Nicaragua,
Niue,
Norfolk Is.,
Ogasawara-shoto,
Pakistan,
Paraguay,
Peru,
Portugal,
Puerto Rico,
Queensland,
Rodrigues,
Réunion,
Samoa,
Sardegna,
Senegal,
Seychelles,
Sicilia,
Society Is.,
Solomon Is.,
South Australia,
Southwest Caribbean,
Spain,
St.Helena,
Sumatera,
Texas,
Tonga,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Tunisia,
Turks-Caicos Is.,
Tuvalu,
Venezuela,
Victoria,
Wake I.,
Western Australia,
Windward Is.