Doubtfully present in:
Iraq
Native to:
Albania,
Algeria,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Ireland,
Italy,
Kriti,
Krym,
Lebanon-Syria,
Morocco,
Netherlands,
North Caucasus,
Northwest European R,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
California,
Connecticut,
Delaware,
District of Columbia,
Georgia,
Maryland,
Massachusetts,
New Jersey,
New Zealand South,
North Carolina,
Oregon,
Pennsylvania,
Rhode I.,
South Carolina,
Virginia,
Washington,
West Virginia