Native to:
Afghanistan,
Andaman Is.,
Assam,
Bangladesh,
Borneo,
Cambodia,
China North-Central,
China South-Central,
China Southeast,
East Himalaya,
Hainan,
India,
Japan,
Jawa,
Kazan-retto,
Korea,
Laos,
Lesser Sunda Is.,
Malaya,
Maluku,
Myanmar,
Nansei-shoto,
Nepal,
New Guinea,
New South Wales,
Northern Territory,
Ogasawara-shoto,
Pakistan,
Philippines,
Qinghai,
Queensland,
Sri Lanka,
Sulawesi,
Sumatera,
Taiwan,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Vietnam,
West Himalaya,
Xinjiang
Introduced into:
Alabama,
Argentina Northeast,
Arkansas,
Bahamas,
Bermuda,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Canary Is.,
Caroline Is.,
Colombia,
Cook Is.,
Costa Rica,
Cuba,
Easter Is.,
Ecuador,
Egypt,
Fiji,
Florida,
France,
French Guiana,
Georgia,
Guyana,
Hawaii,
Indiana,
Italy,
Jamaica,
Kentucky,
KwaZulu-Natal,
Louisiana,
Madagascar,
Marianas,
Marquesas,
Massachusetts,
Mauritius,
Mexico Gulf,
Mexico Southeast,
Mississippi,
Nauru,
New Caledonia,
New Zealand North,
Nicaragua,
Niue,
Norfolk Is.,
North Carolina,
Oklahoma,
Panamá,
Paraguay,
Peru,
Portugal,
Puerto Rico,
Réunion,
Samoa,
Society Is.,
South Australia,
South Carolina,
Spain,
St.Helena,
Suriname,
Tanzania,
Tennessee,
Texas,
Trinidad-Tobago,
Vanuatu,
Venezuela,
Wallis-Futuna Is.,
Western Australia,
Windward Is.