Native to:
Albania,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Greece,
Hungary,
Italy,
Krym,
Netherlands,
North European Russi,
Northwest European R,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
South European Russi,
Spain,
Sweden,
Switzerland,
Ukraine,
Yugoslavia
Introduced into:
Alberta,
Amur,
Argentina Northeast,
Argentina Northwest,
Argentina South,
British Columbia,
California,
Connecticut,
District of Columbia,
Føroyar,
Great Britain,
Idaho,
Ireland,
Maine,
Manitoba,
Maryland,
Massachusetts,
Minnesota,
Montana,
New Brunswick,
New Hampshire,
New Jersey,
New York,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Dakota,
Tasmania,
Virginia,
Washington,
West Siberia,
Wisconsin,
Wyoming,
Yakutskiya