Native to:
Belize,
El Salvador,
Guatemala,
Honduras,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Nicaragua
Introduced into:
Andaman Is.,
Assam,
Austria,
Baleares,
Bangladesh,
Belarus,
Benin,
Bulgaria,
Cameroon,
Caroline Is.,
Chad,
Colombia,
Connecticut,
Costa Rica,
Cuba,
Czechoslovakia,
Djibouti,
Dominican Republic,
East Himalaya,
Ecuador,
Ethiopia,
Fiji,
Florida,
France,
Georgia,
Germany,
Gilbert Is.,
Haiti,
Hungary,
India,
Italy,
Jawa,
Kazakhstan,
Kentucky,
Kenya,
Korea,
Krym,
Louisiana,
Malawi,
Marianas,
Marshall Is.,
Mauritius,
Myanmar,
Nepal,
New York,
Niue,
North Carolina,
Ohio,
Panamá,
Pennsylvania,
Peru,
Phoenix Is.,
Poland,
Portugal,
Primorye,
Puerto Rico,
Queensland,
Romania,
Réunion,
Samoa,
Sardegna,
Sicilia,
Sierra Leone,
Society Is.,
South Carolina,
South European Russi,
Spain,
Sri Lanka,
Tadzhikistan,
Texas,
Thailand,
Transcaucasus,
Tubuai Is.,
Turkmenistan,
Ukraine,
Uzbekistan,
Vanuatu,
Venezuela,
Vietnam,
Yugoslavia,
Zimbabwe