Native to:
Assam,
Bangladesh,
China South-Central,
China Southeast,
East Himalaya,
India,
Myanmar,
Nepal,
Pakistan,
Sri Lanka,
Thailand,
Tibet,
Vietnam,
West Himalaya
Introduced into:
Alabama,
Angola,
Argentina Northeast,
Austria,
Azores,
Brazil South,
Brazil Southeast,
Brazil West-Central,
California,
Canary Is.,
Colombia,
Costa Rica,
Czechia-Slovakia,
DR Congo,
El Salvador,
Eswatini,
Germany,
Great Britain,
Greece,
Hawaii,
Ireland,
Italy,
Japan,
Korea,
Louisiana,
Madeira,
Malawi,
Malaya,
Marianas,
Mauritius,
Mexico Central,
New South Wales,
Northern Provinces,
Oregon,
Portugal,
Queensland,
Réunion,
South Australia,
Spain,
St.Helena,
Sweden,
Taiwan,
Tasmania,
Texas,
Victoria,
Western Australia,
Zimbabwe