Native to:
Assam,
Bangladesh,
Bismarck Archipelago,
Borneo,
Cambodia,
China North-Central,
China South-Central,
China Southeast,
East Himalaya,
Hainan,
Laos,
Lesser Sunda Is.,
Malaya,
Maluku,
Myanmar,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
Nicobar Is.,
Northern Territory,
Philippines,
Queensland,
Solomon Is.,
South Australia,
Sulawesi,
Sumatera,
Thailand,
Vanuatu,
Vietnam,
Wallis-Futuna Is.,
West Himalaya
Introduced into:
Alabama,
Albania,
Algeria,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Arkansas,
Bahamas,
Belize,
Benin,
Bermuda,
Bolivia,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Bulgaria,
California,
Canary Is.,
Cape Verde,
Caroline Is.,
Cayman Is.,
Central American Pacific Is.,
Chad,
Christmas I.,
Colombia,
Comoros,
Cook Is.,
Costa Rica,
Cuba,
Delaware,
Dominican Republic,
Ecuador,
Egypt,
El Salvador,
Ethiopia,
Fiji,
Florida,
Galápagos,
Gambia,
Georgia,
Gilbert Is.,
Guinea-Bissau,
Gulf of Guinea Is.,
Haiti,
Honduras,
Illinois,
India,
Iraq,
Italy,
Jamaica,
Japan,
Korea,
Leeward Is.,
Libya,
Line Is.,
Louisiana,
Madeira,
Marianas,
Marshall Is.,
Maryland,
Mauritania,
Mauritius,
Mexico Central,
Mexico Southeast,
Mississippi,
Missouri,
Morocco,
Mozambique,
Nansei-shoto,
Niger,
Niue,
North Carolina,
Oklahoma,
Oman,
Pakistan,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Portugal,
Puerto Rico,
Rodrigues,
Romania,
Réunion,
Samoa,
Santa Cruz Is.,
Society Is.,
Socotra,
Somalia,
South Carolina,
Spain,
Sri Lanka,
Tadzhikistan,
Taiwan,
Tennessee,
Texas,
Tibet,
Tonga,
Trinidad-Tobago,
Tuamotu,
Tunisia,
Uzbekistan,
Venezuela,
Virginia,
West Virginia,
Windward Is.