Native to:
Alabama,
Andaman Is.,
Assam,
Bangladesh,
Bismarck Archipelago,
Borneo,
Cambodia,
China North-Central,
China South-Central,
China Southeast,
Costa Rica,
East Himalaya,
El Salvador,
Fiji,
Florida,
Georgia,
Guatemala,
Hainan,
Honduras,
India,
Japan,
Jawa,
Korea,
Laos,
Lesser Sunda Is.,
Louisiana,
Malaya,
Maluku,
Maryland,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Myanmar,
Nansei-shoto,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
New Zealand North,
Nicobar Is.,
Niue,
North Carolina,
Northern Territory,
Pakistan,
Philippines,
Queensland,
Samoa,
Solomon Is.,
South Carolina,
Sri Lanka,
Sulawesi,
Sumatera,
Taiwan,
Thailand,
Tibet,
Tonga,
Vanuatu,
Vietnam,
Virginia,
West Himalaya,
Western Australia
Introduced into:
Comoros,
KwaZulu-Natal,
Mauritius,
Rodrigues,
Réunion,
Seychelles,
Trinidad-Tobago