Native to:
Afghanistan,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Assam,
Bangladesh,
Belize,
Bolivia,
Borneo,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
California,
Cambodia,
Cape Provinces,
Chile Central,
Chile North,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Comoros,
Costa Rica,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Free State,
Guatemala,
Hainan,
Haiti,
Honduras,
India,
Inner Mongolia,
Iran,
Jamaica,
Japan,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Lesotho,
Lesser Sunda Is.,
Madagascar,
Malawi,
Malaya,
Maluku,
Marianas,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
Nevada,
New Guinea,
New Mexico,
Nicaragua,
Northern Provinces,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Qinghai,
Rodrigues,
Réunion,
Saudi Arabia,
Somalia,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Texas,
Thailand,
Tibet,
Uganda,
Uruguay,
Utah,
Venezuela,
Vietnam,
West Himalaya,
Windward Is.,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Ascension,
Belgium,
Bermuda,
Botswana,
British Columbia,
Bulgaria,
Burundi,
Cameroon,
Connecticut,
Corse,
Czechoslovakia,
Delaware,
District of Columbia,
East Aegean Is.,
Fiji,
Florida,
France,
Galápagos,
Georgia,
Germany,
Great Britain,
Greece,
Hawaii,
Hungary,
Illinois,
Ireland,
Italy,
Juan Fernández Is.,
Kentucky,
Leeward Is.,
Louisiana,
Maryland,
Massachusetts,
Michigan,
Mississippi,
Missouri,
Netherlands,
New Caledonia,
New Jersey,
New York,
New Zealand North,
New Zealand South,
North Carolina,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Poland,
Puerto Rico,
Queensland,
Rhode I.,
Romania,
Rwanda,
Sicilia,
South Carolina,
Spain,
St.Helena,
Switzerland,
Tasmania,
Tennessee,
Transcaucasus,
Trinidad-Tobago,
Tunisia,
Uzbekistan,
Vanuatu,
Virginia,
Washington,
West Virginia