Native to:
Andaman Is.,
Assam,
Burundi,
Cambodia,
Cameroon,
Chad,
China North-Central,
China South-Central,
China Southeast,
East Himalaya,
Eritrea,
Ethiopia,
Guinea,
Gulf of Guinea Is.,
Hainan,
India,
Inner Mongolia,
Iran,
Japan,
Jawa,
Kazakhstan,
Kenya,
Kirgizstan,
Korea,
Laos,
Lesser Sunda Is.,
Madagascar,
Malawi,
Malaya,
Manchuria,
Mauritius,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
New Guinea,
New South Wales,
Nigeria,
North Caucasus,
Ogasawara-shoto,
Oman,
Philippines,
Queensland,
Rwanda,
Sierra Leone,
Socotra,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Tadzhikistan,
Taiwan,
Tanzania,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Uganda,
Uzbekistan,
Vietnam,
West Himalaya,
Xinjiang,
Yemen,
Zambia,
Zaïre
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,
South Carolina,
Tennessee,
Texas,
Venezuela,
Virginia,
West Virginia