Native to:
Alabama,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Bolivia,
Brazil South,
California,
Chile Central,
Chile North,
Chile South,
Colombia,
Colorado,
Connecticut,
Delaware,
Ecuador,
Florida,
Georgia,
Idaho,
Illinois,
Indiana,
Iowa,
Juan Fernández Is.,
Kansas,
Kentucky,
Maine,
Maryland,
Massachusetts,
Mexico Northeast,
Mexico Northwest,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
North Carolina,
Ohio,
Ontario,
Oregon,
Paraguay,
Pennsylvania,
Peru,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
Tennessee,
Texas,
Uruguay,
Utah,
Virginia,
Washington,
West Virginia
Introduced into:
Afghanistan,
Albania,
Algeria,
Austria,
Azores,
Baleares,
Baltic States,
Belgium,
Botswana,
Bulgaria,
Canary Is.,
Cape Provinces,
China North-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Egypt,
Eritrea,
Ethiopia,
Fiji,
France,
Free State,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
India,
Inner Mongolia,
Iran,
Italy,
Japan,
Kazakhstan,
Kirgizstan,
Korea,
Kriti,
Krym,
KwaZulu-Natal,
Lebanon-Syria,
Lesotho,
Libya,
Mauritius,
Morocco,
Namibia,
Netherlands,
New Caledonia,
New South Wales,
North Caucasus,
Northern Provinces,
Northern Territory,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Queensland,
Rodrigues,
Romania,
Réunion,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South Australia,
Spain,
Switzerland,
Tadzhikistan,
Tasmania,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
Victoria,
West Himalaya,
Western Australia,
Western Sahara,
Yemen,
Yugoslavia,
Zimbabwe