Native to:
Alaska,
Albania,
Algeria,
Altay,
Assam,
Austria,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Borneo,
British Columbia,
Bulgaria,
Burundi,
California,
Cambodia,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Chita,
Corse,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Ethiopia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hainan,
Hungary,
India,
Inner Mongolia,
Iran,
Ireland,
Italy,
Japan,
Jawa,
Kazakhstan,
Kenya,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Laos,
Lebanon-Syria,
Lesser Sunda Is.,
Madeira,
Maluku,
Manchuria,
Mexico Southwest,
Mongolia,
Morocco,
Myanmar,
Nansei-shoto,
Nepal,
Netherlands,
New Guinea,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Oregon,
Pakistan,
Palestine,
Philippines,
Poland,
Portugal,
Primorye,
Romania,
Rwanda,
Sakhalin,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sulawesi,
Sumatera,
Sweden,
Switzerland,
Taiwan,
Tanzania,
Thailand,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Uganda,
Ukraine,
Uzbekistan,
Vietnam,
Washington,
West Himalaya,
West Siberia,
Yugoslavia,
Zaïre
Introduced into:
Argentina Northeast,
District of Columbia,
Illinois,
Marshall Is.,
Maryland,
Missouri,
New Zealand North,
Ohio,
Uruguay