Native to:
Albania,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Russia,
China North-Central,
China South-Central,
Chita,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Inner Mongolia,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Manchuria,
Mongolia,
Nepal,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Poland,
Portugal,
Primorye,
Qinghai,
Romania,
Sakhalin,
Sardegna,
South European Russia,
Spain,
Sweden,
Switzerland,
Tibet,
Transcaucasus,
Turkey,
Tuva,
Ukraine,
Uzbekistan,
West Siberia,
Yakutskiya,
Yugoslavia
Extinct in:
Morocco
Introduced into:
Alaska,
Alberta,
Bangladesh,
British Columbia,
California,
Colorado,
Connecticut,
Idaho,
Illinois,
Indiana,
Iowa,
Kentucky,
Labrador,
Louisiana,
Magadan,
Maine,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
New Brunswick,
New Hampshire,
New Jersey,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
North Dakota,
Northwest Territories,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Dakota,
Tennessee,
Vermont,
Virginia,
Washington,
West Himalaya,
West Virginia,
Wisconsin