Native to:
Assam,
Bangladesh,
Borneo,
Cambodia,
China North-Central,
China South-Central,
China Southeast,
East Himalaya,
Hainan,
India,
Japan,
Jawa,
Korea,
Laos,
Lesser Sunda Is.,
Malaya,
Myanmar,
Nansei-shoto,
Nepal,
Pakistan,
Philippines,
Sri Lanka,
Sulawesi,
Sumatera,
Taiwan,
Thailand,
Vietnam,
West Himalaya,
Yemen
Introduced into:
Angola,
Argentina Northeast,
Bismarck Archipelago,
Brazil South,
Brazil Southeast,
Burundi,
Cameroon,
Canary Is.,
Cape Provinces,
Caroline Is.,
Cuba,
Dominican Republic,
Ethiopia,
Gabon,
Haiti,
Hawaii,
Honduras,
Iraq,
Jamaica,
Kenya,
Kermadec Is.,
KwaZulu-Natal,
Leeward Is.,
Liberia,
Madagascar,
Madeira,
Malawi,
Maluku,
Marianas,
Mauritius,
Mozambique,
New Caledonia,
New Guinea,
New South Wales,
Nigeria,
Norfolk Is.,
Northern Provinces,
Peru,
Puerto Rico,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Sierra Leone,
Society Is.,
Sudan,
Swaziland,
Tanzania,
Uganda,
Windward Is.,
Zambia,
Zaïre,
Zimbabwe