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