Native to:
Cameroon,
Central African Repu,
Chad,
Congo,
Ethiopia,
Gambia,
Ghana,
Guinea-Bissau,
Gulf of Guinea Is.,
Ivory Coast,
Kenya,
Liberia,
Niger,
Nigeria,
Senegal,
Sierra Leone,
Somalia,
Sudan,
Tanzania,
Togo,
Uganda,
Zaïre
Introduced into:
Alabama,
Albania,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Arkansas,
Assam,
Azores,
Bangladesh,
Belize,
Benin,
Bolivia,
Botswana,
Brazil South,
Burkina,
Cambodia,
Canary Is.,
Caroline Is.,
China South-Central,
China Southeast,
Christmas I.,
Comoros,
Costa Rica,
Cuba,
Dominican Republic,
East European Russia,
East Himalaya,
Easter Is.,
Ecuador,
El Salvador,
Fiji,
Florida,
Gabon,
Georgia,
Guatemala,
Guinea,
Haiti,
Honduras,
Illinois,
India,
Jamaica,
Kazakhstan,
Kentucky,
Korea,
Laos,
Leeward Is.,
Louisiana,
Malawi,
Mali,
Maluku,
Marianas,
Marquesas,
Marshall Is.,
Massachusetts,
Mauritius,
Mexican Pacific Is.,
Mexico Southwest,
Mississippi,
Missouri,
Mozambique,
Namibia,
New Caledonia,
New York,
Nicobar Is.,
North Carolina,
Northern Provinces,
Oklahoma,
Pakistan,
Paraguay,
Pennsylvania,
Puerto Rico,
Queensland,
Rodrigues,
Romania,
Rwanda,
Réunion,
Society Is.,
South Carolina,
Swaziland,
Tadzhikistan,
Texas,
Thailand,
Transcaucasus,
Trinidad-Tobago,
Turkmenistan,
Uruguay,
Uzbekistan,
Venezuela,
Vietnam,
Virginia,
Windward Is.,
Zambia,
Zimbabwe