Native to:
Albania,
Algeria,
Altay,
Austria,
Azores,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Russia,
Connecticut,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Iceland,
Illinois,
Indiana,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Krasnoyarsk,
Kriti,
Krym,
Labrador,
Maine,
Massachusetts,
Michigan,
Morocco,
Netherlands,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North European Russia,
Northwest European Russia,
Norway,
Nunavut,
Ohio,
Ontario,
Pennsylvania,
Poland,
Portugal,
Prince Edward I.,
Québec,
Rhode I.,
Romania,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tennessee,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Vermont,
West Siberia,
West Virginia,
Wisconsin,
Yakutskiya,
Yugoslavia
Introduced into:
Argentina Northeast,
Argentina Northwest,
Argentina South,
British Columbia,
Kamchatka,
Montana,
New South Wales,
New Zealand North,
New Zealand South,
Oregon,
South Australia,
Tasmania,
Victoria,
Washington