Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Russia,
Corse,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Krym,
Lebanon-Syria,
Mongolia,
Morocco,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yakutskiya,
Yugoslavia
Introduced into:
Alaska,
Alberta,
Arkansas,
British Columbia,
California,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Falkland Is.,
Florida,
Georgia,
Idaho,
Illinois,
Indiana,
Iowa,
Japan,
Kamchatka,
Kentucky,
Korea,
Kuril Is.,
Labrador,
Maine,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Montana,
New Brunswick,
New Hampshire,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Carolina,
South Dakota,
Tasmania,
Tennessee,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming