Native to:
Albania,
Algeria,
Altay,
Amur,
Angola,
Assam,
Austria,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Botswana,
Bulgaria,
Burkina,
Buryatiya,
Cambodia,
Cameroon,
Central African Republic,
Central European Russia,
Chad,
China North-Central,
China South-Central,
China Southeast,
Chita,
Congo,
Czechoslovakia,
East European Russia,
East Himalaya,
France,
Gabon,
Gambia,
Germany,
Greece,
Guinea-Bissau,
Hainan,
Hungary,
India,
Inner Mongolia,
Iran,
Irkutsk,
Italy,
Japan,
Jawa,
Kazakhstan,
Kenya,
Khabarovsk,
Korea,
Krasnoyarsk,
Krym,
KwaZulu-Natal,
Laos,
Malawi,
Manchuria,
Mozambique,
Myanmar,
Namibia,
Nepal,
Nigeria,
North Caucasus,
Northwest European Russia,
Pakistan,
Philippines,
Poland,
Primorye,
Romania,
South European Russia,
Sri Lanka,
Sudan,
Sumatera,
Switzerland,
Taiwan,
Tanzania,
Thailand,
Tibet,
Transcaucasus,
Tunisia,
Turkey-in-Europe,
Uganda,
Ukraine,
Vietnam,
West Himalaya,
West Siberia,
Xinjiang,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Extinct in:
Spain,
Sweden
Introduced into:
Connecticut,
Delaware,
District of Columbia,
Maine,
Maryland,
Massachusetts,
Nansei-shoto,
New Hampshire,
New Jersey,
New York,
Pennsylvania,
Québec,
Rhode I.,
Vermont,
Virginia