Native to:
Afghanistan,
Albania,
Algeria,
Assam,
Austria,
Azores,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
India,
Iran,
Iraq,
Ireland,
Italy,
Japan,
Kazakhstan,
Kenya,
Korea,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Mexico Central,
Morocco,
Nepal,
Netherlands,
North Caucasus,
Northwest European R,
Norway,
Pakistan,
Poland,
Portugal,
Qinghai,
Romania,
Rwanda,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sudan,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Uganda,
Ukraine,
West Himalaya,
West Siberia,
Xinjiang,
Yugoslavia,
Zaïre
Introduced into:
Alabama,
Altay,
Amsterdam-St.Paul Is,
Amur,
Angola,
Argentina South,
Brazil South,
Buryatiya,
California,
Cape Provinces,
Chatham Is.,
Chile Central,
Chile South,
Ecuador,
Falkland Is.,
Florida,
Free State,
Haiti,
Iceland,
Irkutsk,
Jawa,
Khabarovsk,
Krasnoyarsk,
Maryland,
Mauritius,
Namibia,
New Guinea,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Norfolk Is.,
North European Russi,
Oregon,
Primorye,
Queensland,
Réunion,
Sakhalin,
South Australia,
St.Helena,
Tasmania,
Tuva,
Victoria,
Washington,
Western Australia,
Wisconsin,
Yakutskiya