Native to:
Argentina Northeast,
Argentina Northwest,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Paraguay,
Uruguay
Introduced into:
Alabama,
Angola,
Assam,
Bangladesh,
Belarus,
Benin,
Bulgaria,
Burkina,
Burundi,
Cameroon,
Caroline Is.,
Central African Repu,
Central European Rus,
Chad,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Comoros,
East European Russia,
East Himalaya,
Ecuador,
Eritrea,
Ethiopia,
Florida,
Gabon,
Galápagos,
Gambia,
Georgia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
Honduras,
Illinois,
India,
Inner Mongolia,
Iraq,
Ivory Coast,
Jawa,
Kazakhstan,
Kenya,
Kirgizstan,
Korea,
Krym,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Liberia,
Louisiana,
Malawi,
Malaya,
Mali,
Manchuria,
Marianas,
Maryland,
Mauritania,
Mexico Southwest,
Mongolia,
Mozambique,
Myanmar,
Namibia,
Nepal,
New Guinea,
Niger,
Nigeria,
North Caucasus,
Northern Provinces,
Pakistan,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rwanda,
Santa Cruz Is.,
Senegal,
Sierra Leone,
Society Is.,
South European Russi,
Sri Lanka,
Sudan,
Sumatera,
Tadzhikistan,
Taiwan,
Tanzania,
Thailand,
Togo,
Transcaucasus,
Trinidad-Tobago,
Turkmenistan,
Uganda,
Ukraine,
Uzbekistan,
Venezuela,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zaïre,
Zimbabwe