Native to:
Andaman Is.,
Assam,
Bangladesh,
Borneo,
Cambodia,
China South-Central,
China Southeast,
East Himalaya,
Hainan,
India,
Japan,
Jawa,
Laos,
Lesser Sunda Is.,
Malaya,
Maluku,
Myanmar,
Nansei-shoto,
Nepal,
New Guinea,
Nicobar Is.,
Philippines,
Qinghai,
Queensland,
Sri Lanka,
Sulawesi,
Sumatera,
Taiwan,
Thailand,
Vietnam,
West Himalaya,
Western Australia
Introduced into:
Alabama,
Arkansas,
Caroline Is.,
Comoros,
Cuba,
Dominican Republic,
Ecuador,
Fiji,
Florida,
Georgia,
Haiti,
Illinois,
Indiana,
Jamaica,
Korea,
Leeward Is.,
Louisiana,
Marianas,
Marshall Is.,
Maryland,
Mississippi,
North Carolina,
Ogasawara-shoto,
Ohio,
Pakistan,
Puerto Rico,
South Carolina,
Tadzhikistan,
Texas,
Trinidad-Tobago,
Turkmenistan,
Utah,
Uzbekistan,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Virginia,
Windward Is.