Native to:
Belize,
El Salvador,
Guatemala,
Honduras,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Nicaragua
Introduced into:
Alabama,
Albania,
Algeria,
Angola,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Ascension,
Assam,
Austria,
Azores,
Bahamas,
Baleares,
Bangladesh,
Benin,
Bermuda,
Bolivia,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Bulgaria,
Burundi,
California,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Caroline Is.,
Cayman Is.,
Chagos Archipelago,
China Southeast,
Christmas I.,
Colombia,
Comoros,
Connecticut,
Cook Is.,
Costa Rica,
Cuba,
Czechoslovakia,
Desventurados Is.,
District of Columbia,
Dominican Republic,
East Aegean Is.,
East Himalaya,
Easter Is.,
Ethiopia,
Fiji,
Florida,
France,
Free State,
French Guiana,
Galápagos,
Gambia,
Georgia,
Germany,
Gilbert Is.,
Great Britain,
Greece,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Haiti,
Hawaii,
Illinois,
India,
Indiana,
Italy,
Jamaica,
Japan,
Jawa,
Juan Fernández Is.,
Kentucky,
Kenya,
Korea,
Kriti,
Kuwait,
Laccadive Is.,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Libya,
Louisiana,
Madeira,
Malawi,
Marianas,
Marquesas,
Marshall Is.,
Maryland,
Mauritius,
Mississippi,
Morocco,
Mozambique,
Namibia,
Nansei-shoto,
Nauru,
Nepal,
Nevada,
New Caledonia,
New Jersey,
New Mexico,
New South Wales,
New York,
Nicobar Is.,
Nigeria,
Niue,
Norfolk Is.,
North Carolina,
Northern Provinces,
Ohio,
Oklahoma,
Pakistan,
Paraguay,
Pennsylvania,
Peru,
Pitcairn Is.,
Puerto Rico,
Queensland,
Rhode I.,
Rodrigues,
Romania,
Rwanda,
Réunion,
Samoa,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Society Is.,
Solomon Is.,
Somalia,
South Carolina,
South European Russia,
Southwest Caribbean,
Spain,
Sri Lanka,
St.Helena,
Sudan,
Suriname,
Sweden,
Tanzania,
Tasmania,
Texas,
Thailand,
Tokelau-Manihiki,
Transcaucasus,
Trinidad-Tobago,
Tristan da Cunha,
Tuamotu,
Tubuai Is.,
Tunisia,
Turkmenistan,
Tuvalu,
Uganda,
Uruguay,
Utah,
Uzbekistan,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Vermont,
Victoria,
Vietnam,
Virginia,
West Himalaya,
Windward Is.,
Yemen,
Zambia,
Zaïre,
Zimbabwe