Doubtfully present in:
Portugal
Native to:
Albania,
Algeria,
Austria,
Belgium,
Bulgaria,
Corse,
Czechoslovakia,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Italy,
Lebanon-Syria,
Morocco,
Netherlands,
North Caucasus,
Palestine,
Poland,
Romania,
Sardegna,
Sicilia,
Spain,
Switzerland,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Yugoslavia
Introduced into:
Alabama,
Alberta,
Argentina Northeast,
Baltic States,
Belarus,
California,
Chile Central,
Chile South,
Connecticut,
Denmark,
District of Columbia,
Falkland Is.,
Finland,
Idaho,
Illinois,
Ireland,
Kentucky,
Korea,
Krym,
Maine,
Massachusetts,
Michigan,
New York,
North Dakota,
Northwest European R,
Norway,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Québec,
Sweden,
Ukraine,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin