Native to:
Alabama,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Bolivia,
Brazil South,
British Columbia,
California,
Chile Central,
Colombia,
Easter Is.,
Jamaica,
Juan Fernández Is.,
Louisiana,
Mexico Northwest,
Mississippi,
New Jersey,
Oregon,
Pennsylvania,
Peru,
South Carolina,
Suriname,
Texas,
Uruguay,
Washington
Introduced into:
Algeria,
Andaman Is.,
Assam,
Azores,
Belgium,
Bulgaria,
Canary Is.,
Cape Provinces,
Chagos Archipelago,
Czechoslovakia,
Florida,
France,
Free State,
Germany,
Great Britain,
Greece,
India,
Ireland,
Italy,
Japan,
KwaZulu-Natal,
Madeira,
Nansei-shoto,
Netherlands,
New Zealand North,
Norfolk Is.,
North Caucasus,
Northern Provinces,
Ogasawara-shoto,
Portugal,
Sardegna,
Spain,
Taiwan,
Tasmania,
Transcaucasus,
West Himalaya