Native to:
Assam,
Bangladesh,
India,
West Himalaya
Introduced into:
Afghanistan,
Alabama,
Andaman Is.,
Angola,
Belize,
Benin,
Bolivia,
Borneo,
Brazil North,
Bulgaria,
Burkina,
Burundi,
California,
Cambodia,
Cameroon,
Caroline Is.,
Central African Republic,
Chad,
China South-Central,
China Southeast,
Comoros,
Congo,
Costa Rica,
Cuba,
Cyprus,
East Himalaya,
Egypt,
El Salvador,
Eritrea,
Ethiopia,
Fiji,
Florida,
French Guiana,
Gabon,
Galápagos,
Gambia,
Georgia,
Ghana,
Greece,
Guatemala,
Guinea,
Guinea-Bissau,
Guyana,
Hainan,
Honduras,
Iran,
Ivory Coast,
Japan,
Jawa,
Kazakhstan,
Kenya,
Korea,
Krym,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Lesser Sunda Is.,
Liberia,
Libya,
Louisiana,
Madagascar,
Malawi,
Malaya,
Mali,
Marianas,
Massachusetts,
Mauritania,
Mauritius,
Mexico Gulf,
Mexico Southwest,
Missouri,
Morocco,
Mozambique,
Myanmar,
Nepal,
New Jersey,
New York,
Nicobar Is.,
Niger,
Nigeria,
Northern Provinces,
Ohio,
Oman,
Pakistan,
Pennsylvania,
Peru,
Philippines,
Rwanda,
Saudi Arabia,
Senegal,
Sierra Leone,
Somalia,
South Carolina,
South European Russia,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Tadzhikistan,
Tanzania,
Texas,
Thailand,
Togo,
Transcaucasus,
Trinidad-Tobago,
Turkey,
Turkey-in-Europe,
Uganda,
Ukraine,
Uzbekistan,
Venezuela,
Vietnam,
Wisconsin,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe