Native to:
Argentina Northeast,
Argentina Northwest,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Chile Central,
Colombia,
French Guiana,
Guyana,
Paraguay,
Peru,
Suriname,
Uruguay,
Venezuela
Introduced into:
Alabama,
Andaman Is.,
Angola,
Arizona,
Aruba,
Assam,
Azores,
Bahamas,
Bangladesh,
Belize,
Benin,
Bermuda,
Borneo,
Burkina,
Burundi,
California,
Cambodia,
Cameroon,
Cape Provinces,
Caroline Is.,
Cayman Is.,
Central African Republic,
China North-Central,
China South-Central,
China Southeast,
Colorado,
Comoros,
Congo,
Cook Is.,
Corse,
Costa Rica,
Cuba,
Czechoslovakia,
Dominican Republic,
East Himalaya,
Ecuador,
Egypt,
El Salvador,
Equatorial Guinea,
Fiji,
Florida,
France,
Free State,
Gabon,
Gambia,
Georgia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf States,
Hainan,
Haiti,
Hawaii,
Honduras,
Illinois,
India,
Italy,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kentucky,
Kenya,
Korea,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Leeward Is.,
Liberia,
Louisiana,
Madagascar,
Malawi,
Malaya,
Maldives,
Mali,
Marianas,
Marquesas,
Marshall Is.,
Maryland,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Mozambique,
Myanmar,
Nauru,
Nepal,
Netherlands Antilles,
New Caledonia,
New Guinea,
New South Wales,
New York,
New Zealand North,
Nicaragua,
Niger,
Nigeria,
Norfolk Is.,
North Carolina,
Northern Provinces,
Northern Territory,
Oman,
Ontario,
Palestine,
Panamá,
Philippines,
Portugal,
Puerto Rico,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Samoa,
Sardegna,
Saudi Arabia,
Senegal,
Sicilia,
Sierra Leone,
Society Is.,
Solomon Is.,
South Australia,
South Carolina,
South China Sea,
Spain,
Sri Lanka,
Sudan,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Texas,
Thailand,
Togo,
Trinidad-Tobago,
Turkey,
Uganda,
Vanuatu,
Victoria,
Vietnam,
Virginia,
Western Australia,
Windward Is.,
Yemen,
Zambia,
Zaïre,
Zimbabwe