Native to:
Assam,
Bangladesh,
Bismarck Archipelago,
Borneo,
Cambodia,
China North-Central,
China South-Central,
China Southeast,
Christmas I.,
East Himalaya,
Eritrea,
Ethiopia,
Hainan,
India,
Jawa,
Kenya,
Laos,
Lesser Sunda Is.,
Madagascar,
Malaya,
Maluku,
Mozambique,
Myanmar,
Nepal,
New Guinea,
Pakistan,
Philippines,
Queensland,
Somalia,
Sri Lanka,
Sulawesi,
Sumatera,
Taiwan,
Tanzania,
Thailand,
Uganda,
Vietnam,
West Himalaya,
Zambia
Introduced into:
Alabama,
Albania,
Aldabra,
Andaman Is.,
Angola,
Bahamas,
Belize,
Benin,
Bulgaria,
Burkina,
Cabinda,
Cameroon,
Cape Verde,
Caroline Is.,
Cayman Is.,
Central African Republic,
Chad,
Comoros,
Congo,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
Ecuador,
El Salvador,
Fiji,
Florida,
Gabon,
Gambia,
Georgia,
Ghana,
Greece,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Haiti,
Hawaii,
Honduras,
Illinois,
Ivory Coast,
Jamaica,
Kazan-retto,
Korea,
Krym,
KwaZulu-Natal,
Leeward Is.,
Liberia,
Line Is.,
Louisiana,
Maldives,
Mali,
Marianas,
Marshall Is.,
Maryland,
Mauritania,
Mexico Central,
Mexico Southwest,
Mississippi,
Nansei-shoto,
New Caledonia,
Nicobar Is.,
Niger,
Nigeria,
Niue,
North Carolina,
Northern Provinces,
Ogasawara-shoto,
Oman,
Peru,
Puerto Rico,
Romania,
Réunion,
Samoa,
Santa Cruz Is.,
Senegal,
Seychelles,
Sierra Leone,
Society Is.,
Solomon Is.,
South Carolina,
South European Russia,
Southwest Caribbean,
Sudan,
Togo,
Tonga,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Ukraine,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Virginia,
Wallis-Futuna Is.,
Windward Is.,
Zaïre,
Zimbabwe