Native to:
Alabama,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Bahamas,
Belize,
Bermuda,
Bolivia,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Cayman Is.,
Colombia,
Colorado,
Costa Rica,
Cuba,
Dominican Republic,
Ecuador,
Florida,
French Guiana,
Georgia,
Guatemala,
Guyana,
Haiti,
Honduras,
Jamaica,
Kansas,
Leeward Is.,
Louisiana,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
Nebraska,
Netherlands Antilles,
New Mexico,
Nicaragua,
North Carolina,
Oklahoma,
Peru,
Puerto Rico,
South Carolina,
South Dakota,
Suriname,
Texas,
Trinidad-Tobago,
Turks-Caicos Is.,
Uzbekistan,
Venezuela,
Venezuelan Antilles,
Windward Is.
Introduced into:
Albania,
Aldabra,
Algeria,
Andaman Is.,
Angola,
Ascension,
Assam,
Austria,
Azores,
Bangladesh,
Benin,
Botswana,
Bulgaria,
Burkina,
Burundi,
California,
Cameroon,
Canary Is.,
Cape Verde,
Caroline Is.,
Chad,
Chagos Archipelago,
China South-Central,
China Southeast,
Christmas I.,
Cocos (Keeling) Is.,
Comoros,
Congo,
Cook Is.,
Corse,
Cyprus,
Czechoslovakia,
Djibouti,
East Aegean Is.,
East Himalaya,
Eritrea,
Ethiopia,
Fiji,
France,
Free State,
Gabon,
Germany,
Ghana,
Gilbert Is.,
Greece,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Hainan,
Hawaii,
Hungary,
Illinois,
India,
Indiana,
Iowa,
Iran,
Italy,
Ivory Coast,
Japan,
Kentucky,
Kriti,
Krym,
Lesser Sunda Is.,
Liberia,
Line Is.,
Madeira,
Malawi,
Malaya,
Marcus I.,
Marianas,
Marquesas,
Marshall Is.,
Maryland,
Massachusetts,
Michigan,
Mozambique,
Nansei-shoto,
Nauru,
Nepal,
New Caledonia,
New South Wales,
Nicobar Is.,
Nigeria,
Niue,
Norfolk Is.,
Northern Territory,
Ogasawara-shoto,
Ohio,
Pakistan,
Palestine,
Pennsylvania,
Phoenix Is.,
Portugal,
Queensland,
Romania,
Rwanda,
Samoa,
Sardegna,
Senegal,
Seychelles,
Sicilia,
Sierra Leone,
Society Is.,
South China Sea,
Spain,
St.Helena,
Sudan,
Sulawesi,
Switzerland,
Taiwan,
Tennessee,
Thailand,
Togo,
Tokelau-Manihiki,
Tonga,
Tuamotu,
Tubuai Is.,
Ukraine,
Utah,
Vanuatu,
Virginia,
Wake I.,
West Himalaya,
West Virginia,
Western Australia,
Wyoming,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe