Native to:
Afghanistan,
Albania,
Algeria,
Assam,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
California,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Idaho,
Iran,
Iraq,
Ireland,
Italy,
Japan,
Kazakhstan,
Kirgizstan,
Korea,
Kriti,
Krym,
Kuril Is.,
Laos,
Lebanon-Syria,
Manchuria,
Morocco,
Myanmar,
Nepal,
Netherlands,
North Caucasus,
Northwest European Russia,
Norway,
Oregon,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Romania,
Sakhalin,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Thailand,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
Washington,
West Himalaya,
West Siberia,
Yugoslavia