Native to:
Albania,
Altay,
Austria,
Azores,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Iran,
Ireland,
Italy,
Krasnoyarsk,
Krym,
Madeira,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
West Siberia,
Yugoslavia
Introduced into:
British Columbia,
Buryatiya,
California,
Cape Provinces,
Chile Central,
Chile South,
Connecticut,
Delaware,
District of Columbia,
Georgia,
Greenland,
Idaho,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Montana,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
South Carolina,
South Dakota,
St.Helena,
Tennessee,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming