Native to:
Afghanistan,
Aldabra,
Algeria,
Andaman Is.,
Angola,
Assam,
Azores,
Bangladesh,
Benin,
Bismarck Archipelago,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Caroline Is.,
Central African Republic,
Chad,
Chagos Archipelago,
China South-Central,
China Southeast,
Christmas I.,
Cocos (Keeling) Is.,
Comoros,
Congo,
Djibouti,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Free State,
Gabon,
Gambia,
Ghana,
Gilbert Is.,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Hainan,
Hawaii,
India,
Iran,
Italy,
Ivory Coast,
Jawa,
Kazan-retto,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Lebanon-Syria,
Lesotho,
Lesser Sunda Is.,
Liberia,
Line Is.,
Madagascar,
Madeira,
Malawi,
Malaya,
Maldives,
Mali,
Maluku,
Marianas,
Marquesas,
Marshall Is.,
Mauritania,
Mauritius,
Morocco,
Mozambique,
Mozambique Channel Is.,
Myanmar,
Namibia,
Nansei-shoto,
Nauru,
Nepal,
New Guinea,
Nicobar Is.,
Niger,
Nigeria,
Norfolk Is.,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Oman,
Pakistan,
Panamá,
Philippines,
Pitcairn Is.,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Samoa,
Sardegna,
Saudi Arabia,
Selvagens,
Senegal,
Sicilia,
Sierra Leone,
Society Is.,
Socotra,
Solomon Is.,
Somalia,
South China Sea,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Tokelau-Manihiki,
Tuamotu,
Tubuai Is.,
Tunisia,
Tuvalu,
Uganda,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
Western Australia,
Western Sahara,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Aruba,
Austria,
Bahamas,
Belize,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil Southeast,
Brazil West-Central,
Colombia,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
El Salvador,
Fiji,
Florida,
French Guiana,
Galápagos,
Germany,
Guatemala,
Guyana,
Haiti,
Honduras,
Jamaica,
Japan,
Kermadec Is.,
Leeward Is.,
Louisiana,
Maryland,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Netherlands Antilles,
New Caledonia,
New Zealand North,
Nicaragua,
Niue,
Palestine,
Peru,
Puerto Rico,
Seychelles,
South Carolina,
Southwest Caribbean,
St.Helena,
Suriname,
Texas,
Tonga,
Trinidad-Tobago,
Turks-Caicos Is.,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Windward Is.