Native to:
Albania,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Hungary,
Ireland,
Italy,
Kazakhstan,
Krym,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
British Columbia,
Connecticut,
Delaware,
District of Columbia,
Føroyar,
Iceland,
Illinois,
Kentucky,
Maryland,
Massachusetts,
Michigan,
Missouri,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North Carolina,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Québec,
Rhode I.,
Tennessee,
Texas,
Virginia,
Washington,
West Virginia