Native to:
Afghanistan,
Alabama,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bolivia,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
California,
Cambodia,
Cameroon,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Central African Republic,
Chad,
China South-Central,
China Southeast,
Colombia,
Comoros,
Congo,
Costa Rica,
Djibouti,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Fiji,
Florida,
Free State,
French Guiana,
Gabon,
Gambia,
Georgia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
Haiti,
Hawaii,
Honduras,
Illinois,
India,
Iran,
Ivory Coast,
Jamaica,
Jawa,
Kentucky,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Leeward Is.,
Lesotho,
Lesser Sunda Is.,
Liberia,
Louisiana,
Madagascar,
Malawi,
Malaya,
Mali,
Marquesas,
Mauritania,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Namibia,
Nepal,
New Caledonia,
New Guinea,
New Mexico,
New South Wales,
Nicaragua,
Niger,
Nigeria,
North Carolina,
Northern Provinces,
Northern Territory,
Oklahoma,
Oman,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rwanda,
Réunion,
Saudi Arabia,
Senegal,
Sierra Leone,
Society Is.,
Somalia,
South Australia,
South Carolina,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Suriname,
Swaziland,
Tanzania,
Tennessee,
Texas,
Thailand,
Togo,
Tonga,
Trinidad-Tobago,
Tuamotu,
Uganda,
Uruguay,
Venezuela,
Victoria,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Aruba,
Belgium,
Caroline Is.,
Cayman Is.,
Central European Russia,
Chagos Archipelago,
China North-Central,
Christmas I.,
Cocos (Keeling) Is.,
Corse,
Cuba,
Egypt,
France,
Guyana,
Inner Mongolia,
Iraq,
Italy,
Japan,
Kazan-retto,
Maldives,
Marianas,
Marshall Is.,
Maryland,
Mexico Northwest,
Nansei-shoto,
Netherlands Antilles,
Nicobar Is.,
Palestine,
Primorye,
Rodrigues,
Seychelles,
Sinai,
Southwest Caribbean,
Taiwan,
Turks-Caicos Is.,
Ukraine,
Vanuatu,
Venezuelan Antilles,
Windward Is.