Native to:
Amur,
Angola,
Assam,
Borneo,
Cambodia,
China North-Central,
China South-Central,
China Southeast,
East Himalaya,
Eritrea,
Ethiopia,
Hainan,
India,
Inner Mongolia,
Iran,
Japan,
Jawa,
Kazakhstan,
Kenya,
Khabarovsk,
Kirgizstan,
Korea,
Laos,
Lesser Sunda Is.,
Madagascar,
Malawi,
Malaya,
Maluku,
Manchuria,
Mauritius,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
New Guinea,
New South Wales,
North Caucasus,
Northern Territory,
Pakistan,
Philippines,
Primorye,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Socotra,
South Australia,
Sri Lanka,
Sulawesi,
Sumatera,
Tadzhikistan,
Taiwan,
Tanzania,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Turkmenistan,
Uganda,
Uzbekistan,
Victoria,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Belgium,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Cameroon,
Canary Is.,
Cape Provinces,
Colombia,
Comoros,
Cook Is.,
Fiji,
France,
Georgia,
Germany,
Great Britain,
Guyana,
Hawaii,
Italy,
Kermadec Is.,
KwaZulu-Natal,
Marquesas,
Missouri,
New Caledonia,
New Zealand North,
New Zealand South,
Norfolk Is.,
Northern Provinces,
Paraguay,
Peru,
Pitcairn Is.,
Poland,
Romania,
Samoa,
Seychelles,
Society Is.,
South Dakota,
Tasmania,
Tonga,
Tuamotu,
Tubuai Is.,
Ukraine,
Vanuatu,
Venezuela,
West Virginia,
Yugoslavia