Native to:
Afghanistan,
Algeria,
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Congo,
Djibouti,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Free State,
Gabon,
Gambia,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
India,
Iran,
Iraq,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Lesotho,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Mauritania,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Guinea,
New South Wales,
Nicobar Is.,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Oman,
Pakistan,
Palestine,
Philippines,
Queensland,
Rwanda,
Saudi Arabia,
Senegal,
Sierra Leone,
Sinai,
Socotra,
Somalia,
South Australia,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Albania,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Aruba,
Austria,
Azores,
Bahamas,
Belize,
Bismarck Archipelago,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
California,
Canary Is.,
Cape Verde,
Caroline Is.,
Cayman Is.,
China North-Central,
Colombia,
Comoros,
Connecticut,
Cook Is.,
Costa Rica,
Cuba,
Czechoslovakia,
Denmark,
Dominican Republic,
Ecuador,
El Salvador,
Fiji,
Finland,
Florida,
Galápagos,
Georgia,
Ghana,
Gilbert Is.,
Guatemala,
Haiti,
Hawaii,
Illinois,
Jamaica,
Japan,
Kansas,
Kazakhstan,
Kentucky,
Kirgizstan,
Korea,
Leeward Is.,
Libya,
Louisiana,
Madeira,
Maldives,
Manchuria,
Marianas,
Marquesas,
Marshall Is.,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
Montana,
Morocco,
Nauru,
Netherlands Antilles,
Nevada,
New Caledonia,
New Hampshire,
New Mexico,
New York,
Nicaragua,
Niue,
Norfolk Is.,
North Carolina,
North Caucasus,
Norway,
Ohio,
Oklahoma,
Ontario,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Pitcairn Is.,
Portugal,
Puerto Rico,
Rhode I.,
Réunion,
Samoa,
Seychelles,
Society Is.,
Solomon Is.,
South Carolina,
South European Russi,
Spain,
Sweden,
Tadzhikistan,
Tasmania,
Texas,
Transcaucasus,
Trinidad-Tobago,
Tunisia,
Turkey,
Turkmenistan,
Utah,
Uzbekistan,
Venezuela,
Venezuelan Antilles,
Victoria,
Virginia,
Wake I.,
West Virginia,
Windward Is.,
Xinjiang