Native to:
Albania,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Rus,
Chita,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Inner Mongolia,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Magadan,
Manchuria,
Mongolia,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Poland,
Portugal,
Primorye,
Romania,
Sakhalin,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Tuva,
Ukraine,
West Siberia,
Xinjiang,
Yakutskiya,
Yugoslavia
Introduced into:
Alaska,
Alberta,
Arizona,
Arkansas,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
British Columbia,
California,
Colombia,
Colorado,
Connecticut,
Cook Is.,
Ecuador,
Føroyar,
Georgia,
Iceland,
Idaho,
Illinois,
Indiana,
Iowa,
Ireland,
Kansas,
Kentucky,
Labrador,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mauritius,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
Newfoundland,
North Carolina,
North Dakota,
Northwest Territorie,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Prince Edward I.,
Queensland,
Québec,
Rhode I.,
Réunion,
Saskatchewan,
South Australia,
South Dakota,
Tasmania,
Tennessee,
Trinidad-Tobago,
Tubuai Is.,
Uruguay,
Utah,
Venezuela,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming