Native to:
Angola,
Bahamas,
Benin,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Burkina,
Burundi,
Cabinda,
Cameroon,
Cape Provinces,
Cape Verde,
Central African Repu,
Chad,
Colombia,
Congo,
Costa Rica,
Cuba,
Djibouti,
Dominican Republic,
Ecuador,
El Salvador,
Equatorial Guinea,
Eritrea,
Ethiopia,
Florida,
Gabon,
Gambia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Haiti,
Honduras,
India,
Ivory Coast,
Jamaica,
Kenya,
KwaZulu-Natal,
Leeward Is.,
Liberia,
Madagascar,
Malawi,
Mali,
Mauritania,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Namibia,
Netherlands Antilles,
Nicaragua,
Niger,
Nigeria,
Northern Provinces,
Oman,
Panamá,
Peru,
Puerto Rico,
Rwanda,
Saudi Arabia,
Senegal,
Sierra Leone,
Somalia,
Southwest Caribbean,
Sri Lanka,
Sudan,
Swaziland,
Taiwan,
Tanzania,
Texas,
Togo,
Uganda,
Venezuela,
Windward Is.,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Afghanistan,
Alabama,
Albania,
Andaman Is.,
Argentina Northeast,
Arkansas,
Assam,
Bangladesh,
Belize,
Bolivia,
Brazil West-Central,
Bulgaria,
California,
Cambodia,
Caroline Is.,
Cayman Is.,
China North-Central,
China South-Central,
China Southeast,
Christmas I.,
Comoros,
Connecticut,
Cook Is.,
Czechoslovakia,
District of Columbia,
East European Russia,
East Himalaya,
Fiji,
Galápagos,
Hainan,
Illinois,
Indiana,
Inner Mongolia,
Italy,
Japan,
Jawa,
Kansas,
Kentucky,
Korea,
Laos,
Lesser Sunda Is.,
Libya,
Louisiana,
Malaya,
Maldives,
Manchuria,
Marianas,
Marquesas,
Marshall Is.,
Maryland,
Mauritius,
Mexico Central,
Missouri,
Myanmar,
Nepal,
New Caledonia,
New Guinea,
New Jersey,
New York,
Nicobar Is.,
North Carolina,
Ohio,
Pakistan,
Paraguay,
Pennsylvania,
Philippines,
Qinghai,
Queensland,
Rhode I.,
Rodrigues,
Romania,
Réunion,
Samoa,
Sicilia,
Society Is.,
Solomon Is.,
South Carolina,
South China Sea,
Sumatera,
Tadzhikistan,
Tennessee,
Thailand,
Tibet,
Trinidad-Tobago,
Tuamotu,
Turkmenistan,
Utah,
Vanuatu,
Vermont,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
West Virginia,
Xinjiang