Native to:
Andaman Is.,
Assam,
Bangladesh,
Cambodia,
China North-Central,
China South-Central,
China Southeast,
Cook Is.,
East Himalaya,
Hainan,
Japan,
Kazan-retto,
Korea,
Laos,
Myanmar,
Nepal,
Nicobar Is.,
Taiwan,
Thailand,
Vietnam
Introduced into:
Alabama,
Brazil South,
California,
Caroline Is.,
Colombia,
Congo,
Costa Rica,
District of Columbia,
Dominican Republic,
Fiji,
Florida,
Gabon,
Georgia,
Guatemala,
Gulf of Guinea Is.,
Haiti,
Hawaii,
Honduras,
India,
Jawa,
Leeward Is.,
Louisiana,
Malaya,
Marianas,
Marshall Is.,
Mexico Southwest,
Norfolk Is.,
Paraguay,
Puerto Rico,
Queensland,
Rwanda,
Society Is.,
South Carolina,
Sumatera,
Tadzhikistan,
Texas,
Transcaucasus,
Trinidad-Tobago,
Uzbekistan,
Virginia,
West Himalaya,
Windward Is.,
Zaïre