Native to:
Argentina Northeast,
Argentina Northwest,
Bolivia
Introduced into:
Albania,
Andaman Is.,
Arkansas,
Assam,
Azores,
Bangladesh,
Benin,
Cameroon,
Cape Verde,
Caroline Is.,
Chad,
China South-Central,
China Southeast,
Colombia,
Comoros,
Cook Is.,
Cuba,
Czechoslovakia,
Dominican Republic,
East Himalaya,
Ecuador,
Gabon,
Gambia,
Georgia,
Germany,
Great Britain,
Guinea,
Gulf of Guinea Is.,
Haiti,
India,
Ivory Coast,
Kazakhstan,
Korea,
Laos,
Maine,
Marianas,
Marshall Is.,
Massachusetts,
Michigan,
Nauru,
New York,
New Zealand North,
New Zealand South,
Nicobar Is.,
North Carolina,
Ohio,
Pakistan,
Pennsylvania,
Peru,
Puerto Rico,
South Carolina,
Sweden,
Tadzhikistan,
Transcaucasus,
Trinidad-Tobago,
Turkmenistan,
Uruguay,
Utah,
Uzbekistan,
Venezuela,
Venezuelan Antilles,
Vermont,
Vietnam,
Virginia,
West Himalaya,
Wisconsin,
Zaïre