Native to:
Afghanistan,
Andaman Is.,
Assam,
Bangladesh,
Burundi,
Cambodia,
Cameroon,
Cape Verde,
Chad,
China North-Central,
China South-Central,
China Southeast,
Comoros,
Djibouti,
East Himalaya,
Eritrea,
Ethiopia,
Ghana,
Guinea,
Gulf of Guinea Is.,
Hainan,
India,
Inner Mongolia,
Iran,
Japan,
Jawa,
Kazakhstan,
Kenya,
Kirgizstan,
Korea,
Laos,
Lesser Sunda Is.,
Madagascar,
Malawi,
Malaya,
Mali,
Manchuria,
Mauritius,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
New Guinea,
New South Wales,
Nigeria,
North Caucasus,
Northern Provinces,
Ogasawara-shoto,
Oman,
Pakistan,
Philippines,
Queensland,
Rwanda,
Saudi Arabia,
Senegal,
Sierra Leone,
Socotra,
Somalia,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Tadzhikistan,
Taiwan,
Tanzania,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Uganda,
Uzbekistan,
Vietnam,
West Himalaya,
Xinjiang,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Amur,
Arkansas,
Costa Rica,
Delaware,
District of Columbia,
El Salvador,
Florida,
Georgia,
Great Britain,
Guatemala,
Hawaii,
Honduras,
Illinois,
Indiana,
Jamaica,
Kansas,
Kentucky,
Khabarovsk,
Leeward Is.,
Louisiana,
Maryland,
Massachusetts,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
New Hampshire,
New Jersey,
New York,
Nicaragua,
North Carolina,
Ohio,
Oklahoma,
Oregon,
Pennsylvania,
Primorye,
Puerto Rico,
South Carolina,
Tennessee,
Texas,
Venezuela,
Virginia,
West Virginia