Native to:
Alabama,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bahamas,
Bermuda,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
California,
Central American Pac,
Chile Central,
Chile North,
Colombia,
Costa Rica,
Cuba,
Dominican Republic,
Ecuador,
El Salvador,
Florida,
Galápagos,
Georgia,
Guatemala,
Guyana,
Haiti,
Honduras,
Idaho,
Jamaica,
Juan Fernández Is.,
Kansas,
Kentucky,
Leeward Is.,
Louisiana,
Maryland,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
Nevada,
New Jersey,
New Mexico,
Nicaragua,
North Carolina,
Oklahoma,
Oregon,
Paraguay,
Pennsylvania,
Peru,
Puerto Rico,
South Carolina,
Suriname,
Tennessee,
Texas,
Trinidad-Tobago,
Turks-Caicos Is.,
Uruguay,
Utah,
Venezuela,
Virginia,
Washington,
Windward Is.
Introduced into:
Albania,
Aldabra,
Algeria,
Andaman Is.,
Assam,
Austria,
Azores,
Bangladesh,
Borneo,
Bulgaria,
Cambodia,
Canary Is.,
Cape Provinces,
China North-Central,
China South-Central,
China Southeast,
Comoros,
Cook Is.,
Cyprus,
East Aegean Is.,
East Himalaya,
Egypt,
Fiji,
France,
Free State,
Greece,
Hainan,
Hawaii,
India,
Iran,
Iraq,
Italy,
Japan,
Jawa,
Kermadec Is.,
Korea,
Krym,
KwaZulu-Natal,
Lebanon-Syria,
Lesotho,
Libya,
Madeira,
Malaya,
Maldives,
Maluku,
Mauritania,
Mauritius,
Morocco,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Caledonia,
New South Wales,
New Zealand North,
New Zealand South,
Norfolk Is.,
Northern Provinces,
Oman,
Pakistan,
Palestine,
Philippines,
Portugal,
Queensland,
Romania,
Réunion,
Samoa,
Sardegna,
Saudi Arabia,
Sinai,
South Australia,
South China Sea,
Spain,
Sri Lanka,
Sulawesi,
Swaziland,
Tadzhikistan,
Taiwan,
Tasmania,
Togo,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Tuvalu,
Vanuatu,
Victoria,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zaïre,
Zimbabwe