Native to:
Argentina Northeast,
Argentina Northwest,
Argentina South,
Bolivia,
Brazil South,
Brazil Southeast,
Chile Central,
Chile North,
Chile South,
Ecuador,
Paraguay,
Peru,
Uruguay
Introduced into:
Alabama,
Angola,
Arkansas,
Assam,
Austria,
Azores,
Bahamas,
Belgium,
Bermuda,
Borneo,
California,
Canary Is.,
Cape Provinces,
Central European Russia,
Czechoslovakia,
East Himalaya,
Easter Is.,
Fiji,
Free State,
Georgia,
Germany,
Great Britain,
Hawaii,
Illinois,
India,
Ireland,
Italy,
Jamaica,
Kenya,
Korea,
KwaZulu-Natal,
Lesotho,
Louisiana,
Madagascar,
Madeira,
Malaya,
Maryland,
Massachusetts,
Mauritius,
Mississippi,
Missouri,
Mozambique,
New Caledonia,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Niue,
Norfolk Is.,
North Carolina,
Northern Provinces,
Northern Territory,
Oregon,
Pakistan,
Portugal,
Puerto Rico,
Queensland,
Réunion,
South Australia,
South Carolina,
South European Russia,
Spain,
St.Helena,
Swaziland,
Sweden,
Tanzania,
Tasmania,
Tennessee,
Tubuai Is.,
Victoria,
West Himalaya,
Western Australia,
Zambia,
Zaïre,
Zimbabwe