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 Republic,
Central European Russia,
Chad,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Comoros,
DR Congo,
East European Russia,
East Himalaya,
Ecuador,
Eritrea,
Ethiopia,
Florida,
Gabon,
Galápagos,
Gambia,
Georgia,
Ghana,
Great Britain,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
Hawaii,
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 Russia,
Sri Lanka,
Sudan-South Sudan,
Sumatera,
Tadzhikistan,
Taiwan,
Tanzania,
Thailand,
Togo,
Transcaucasus,
Trinidad-Tobago,
Turkmenistan,
Uganda,
Ukraine,
Uzbekistan,
Venezuela,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zimbabwe