Native to:
Altay,
Amur,
Burundi,
Buryatiya,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Chad,
Chatham Is.,
China North-Central,
China South-Central,
China Southeast,
Chita,
Djibouti,
East European Russia,
East Himalaya,
Eritrea,
Ethiopia,
Free State,
Gulf of Guinea Is.,
India,
Inner Mongolia,
Irkutsk,
Japan,
Kazakhstan,
Kenya,
Kermadec Is.,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
KwaZulu-Natal,
Lesotho,
Madagascar,
Madeira,
Manchuria,
Namibia,
Nepal,
New Guinea,
New South Wales,
New Zealand North,
New Zealand South,
Norfolk Is.,
North Caucasus,
Northern Territory,
Oman,
Pakistan,
Primorye,
Qinghai,
Queensland,
Rwanda,
Socotra,
Somalia,
South Australia,
Sudan,
Tadzhikistan,
Taiwan,
Tanzania,
Tasmania,
Tibet,
Transcaucasus,
Turkmenistan,
Tuva,
Uganda,
Uzbekistan,
Victoria,
Vietnam,
West Himalaya,
West Siberia,
Western Australia,
Xinjiang,
Yakutskiya,
Yemen,
Zaïre
Introduced into:
Azores