Native to:
Bangladesh,
Borneo,
Caroline Is.,
China North-Central,
China Southeast,
Cocos (Keeling) Is.,
Hainan,
India,
Japan,
Jawa,
Kazan-retto,
Korea,
Laos,
Lesser Sunda Is.,
Malaya,
Maluku,
Manchuria,
Marianas,
Marshall Is.,
Myanmar,
Nansei-shoto,
New Guinea,
New South Wales,
New Zealand North,
New Zealand South,
Nicobar Is.,
Ogasawara-shoto,
Philippines,
Primorye,
Queensland,
Solomon Is.,
South Australia,
South China Sea,
Sri Lanka,
Sulawesi,
Sumatera,
Taiwan,
Tasmania,
Thailand,
Victoria,
Vietnam
Introduced into:
Alabama,
Bahamas,
Benin,
Bermuda,
Brazil Southeast,
Brazil West-Central,
Burkina,
California,
Cayman Is.,
Christmas I.,
Colombia,
Costa Rica,
Cuba,
Dominican Republic,
Ecuador,
El Salvador,
Fiji,
Florida,
Gabon,
Galápagos,
Georgia,
Ghana,
Gulf of Guinea Is.,
Haiti,
Hawaii,
Honduras,
Illinois,
Indiana,
Ivory Coast,
Kentucky,
Leeward Is.,
Louisiana,
Madagascar,
Maldives,
Marquesas,
Maryland,
Mauritius,
Mexico Northeast,
Mexico Southwest,
New Mexico,
Nicaragua,
Nigeria,
North Carolina,
Ontario,
Puerto Rico,
Rodrigues,
Réunion,
Samoa,
Society Is.,
Tennessee,
Togo,
Tokelau-Manihiki,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Virginia,
West Himalaya