Native to:
Assam,
China North-Central,
China South-Central,
China Southeast,
East Himalaya,
Hainan,
Myanmar,
Taiwan,
Vietnam,
West Himalaya
Introduced into:
Alabama,
Arkansas,
Austria,
Azores,
Bolivia,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
California,
Cambodia,
Cameroon,
Colombia,
Connecticut,
Cook Is.,
Costa Rica,
Cuba,
Ecuador,
El Salvador,
Florida,
Georgia,
Great Britain,
Guatemala,
Hawaii,
Honduras,
Italy,
Japan,
Jawa,
Kentucky,
Kermadec Is.,
Korea,
Laos,
Lesser Sunda Is.,
Louisiana,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mississippi,
Nansei-shoto,
New Caledonia,
New Hampshire,
New Jersey,
New South Wales,
New Zealand North,
Nicaragua,
North Carolina,
Oregon,
Peru,
Philippines,
Puerto Rico,
Queensland,
Seychelles,
Sicilia,
South Australia,
South Carolina,
Spain,
Sulawesi,
Sumatera,
Tennessee,
Texas,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Virginia,
West Virginia