Doubtfully present in:
Sicilia
Native to:
Albania,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Russia,
Czechia-Slovakia,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Italy,
Kazakhstan,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
NW. Balkan Pen.,
Poland,
Romania,
South European Russia,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Türkey,
Ukraine,
West Siberia
Introduced into:
Alaska,
British Columbia,
Buryatiya,
Connecticut,
Denmark,
Irkutsk,
Krasnoyarsk,
Maine,
Massachusetts,
Michigan,
Montana,
New Brunswick,
New Hampshire,
New York,
Nova Scotia,
Ohio,
Ontario,
Prince Edward I.,
Québec,
Rhode I.,
Vermont