Native to:
Alabama,
Albania,
Argentina Northeast,
Argentina Northwest,
Arizona,
Aruba,
Bahamas,
Belize,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
California,
Cayman Is.,
Colombia,
Costa Rica,
Cuba,
Dominican Republic,
Ecuador,
El Salvador,
French Guiana,
Galápagos,
Guatemala,
Guyana,
Haiti,
Honduras,
Jamaica,
Kentucky,
Leeward Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Netherlands Antilles,
New Mexico,
Panamá,
Paraguay,
Peru,
Puerto Rico,
Southwest Caribbean,
Suriname,
Tennessee,
Texas,
Trinidad-Tobago,
Uruguay,
Venezuela,
Windward Is.
Introduced into:
Afghanistan,
Angola,
Assam,
Bangladesh,
Belgium,
Benin,
Bermuda,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Cape Verde,
Caroline Is.,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Comoros,
Congo,
Cook Is.,
Czechoslovakia,
Djibouti,
East Himalaya,
Egypt,
Equatorial Guinea,
Ethiopia,
Fiji,
France,
Free State,
Gabon,
Gambia,
Ghana,
Gilbert Is.,
Great Britain,
Greece,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Hainan,
Hawaii,
Illinois,
India,
Italy,
Ivory Coast,
Japan,
Jawa,
Kazan-retto,
Kirgizstan,
Korea,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Lesotho,
Lesser Sunda Is.,
Liberia,
Libya,
Line Is.,
Madagascar,
Malaya,
Mali,
Marianas,
Marquesas,
Marshall Is.,
Maryland,
Mauritania,
Mauritius,
Mozambique,
Myanmar,
Namibia,
Nauru,
Nepal,
New Caledonia,
New South Wales,
Niger,
Nigeria,
Niue,
Northern Provinces,
Northern Territory,
Oman,
Pakistan,
Palestine,
Philippines,
Phoenix Is.,
Primorye,
Queensland,
Rwanda,
Samoa,
Saudi Arabia,
Senegal,
Seychelles,
Society Is.,
Solomon Is.,
Somalia,
South China Sea,
Sri Lanka,
Sudan,
Swaziland,
Tadzhikistan,
Taiwan,
Tanzania,
Thailand,
Togo,
Tokelau-Manihiki,
Tonga,
Tuamotu,
Tuvalu,
Uzbekistan,
Vanuatu,
Victoria,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe