Native to:
Albania,
Algeria,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
China North-Central,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Egypt,
Eritrea,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Iran,
Iraq,
Ireland,
Italy,
Japan,
Korea,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Morocco,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Yemen,
Yugoslavia
Introduced into:
Maryland,
Pennsylvania