Native to:
Assam,
Bangladesh,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil Southeast,
Cameroon,
Chad,
Colombia,
Costa Rica,
East Himalaya,
Ecuador,
El Salvador,
Ethiopia,
French Guiana,
Galápagos,
Guatemala,
Guyana,
India,
Mali,
Mauritania,
Mexico Gulf,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Nepal,
Netherlands Antilles,
Nicaragua,
Niger,
Nigeria,
Northern Territory,
Pakistan,
Panamá,
Peru,
Somalia,
Sri Lanka,
Sudan,
Suriname,
Trinidad-Tobago,
Venezuela,
West Himalaya,
Western Australia
Introduced into:
Albania,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Benin,
Bismarck Archipelago,
Brazil South,
Burkina,
Burundi,
Cambodia,
Caroline Is.,
Central African Repu,
Chagos Archipelago,
China South-Central,
China Southeast,
Comoros,
Congo,
Cook Is.,
Cuba,
Djibouti,
Dominican Republic,
Eritrea,
Fiji,
Florida,
Gabon,
Gambia,
Georgia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Hainan,
Haiti,
Illinois,
Iraq,
Ivory Coast,
Jamaica,
Jawa,
Kazakhstan,
Kenya,
Korea,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Liberia,
Louisiana,
Malawi,
Maldives,
Maluku,
Marianas,
Marquesas,
Mauritius,
Mexico Central,
Mozambique,
Nauru,
New Caledonia,
New Guinea,
Nicobar Is.,
North Carolina,
Oman,
Paraguay,
Puerto Rico,
Rwanda,
Réunion,
Samoa,
Senegal,
Sierra Leone,
Society Is.,
Solomon Is.,
South Carolina,
Southwest Caribbean,
Tadzhikistan,
Tanzania,
Texas,
Thailand,
Tonga,
Transcaucasus,
Tunisia,
Turkmenistan,
Uganda,
Uzbekistan,
Vanuatu,
Venezuelan Antilles,
Vietnam,
Virginia,
Wallis-Futuna Is.,
Windward Is.,
Yemen,
Zambia,
Zaïre,
Zimbabwe