Doubtfully present in:
Sicilia
Native to:
Albania,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Russia,
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 Russia,
Northwest European Russia,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
South European Russia,
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