Doubtfully present in:
Sicilia
Native to:
Albania,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Krasnoyarsk,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
South European Russi,
Spain,
Sweden,
Switzerland,
Turkey-in-Europe,
Ukraine,
West Siberia,
Yugoslavia
Introduced into:
Arkansas,
Connecticut,
District of Columbia,
Georgia,
Illinois,
Indiana,
Japan,
Maine,
Maryland,
Massachusetts,
Missouri,
Montana,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
Nova Scotia,
Ohio,
Ontario,
Pennsylvania,
Primorye,
Québec,
Rhode I.,
South Carolina,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington