Native to:
Albania,
Algeria,
Altay,
Angola,
Assam,
Austria,
Azores,
Baleares,
Bangladesh,
Belarus,
Belgium,
Borneo,
Botswana,
Bulgaria,
Burundi,
Cambodia,
Canary Is.,
Cape Provinces,
Cape Verde,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
East European Russia,
East Himalaya,
Ethiopia,
Fiji,
France,
Free State,
Germany,
Great Britain,
Greece,
Gulf States,
Hainan,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Italy,
Japan,
Jawa,
Kenya,
Korea,
Kriti,
Krym,
Kuwait,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Lesotho,
Lesser Sunda Is.,
Libya,
Madagascar,
Madeira,
Malawi,
Malaya,
Maluku,
Manchuria,
Mauritania,
Mongolia,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
Netherlands,
New Caledonia,
New Guinea,
North Caucasus,
Northern Provinces,
Northwest European R,
Oman,
Pakistan,
Palestine,
Philippines,
Poland,
Portugal,
Qinghai,
Romania,
Réunion,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
Solomon Is.,
Somalia,
South European Russi,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Thailand,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Uganda,
Ukraine,
Uzbekistan,
Vanuatu,
Vietnam,
West Himalaya,
West Siberia,
Western Sahara,
Xinjiang,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Extinct in:
Baltic States
Introduced into:
Florida,
Louisiana,
North Carolina