Native to:
Albania,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Rus,
China North-Central,
China South-Central,
Chita,
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 Russi,
Northwest European R,
Norway,
Poland,
Primorye,
Qinghai,
Romania,
Sakhalin,
South European Russi,
Sweden,
Switzerland,
Tibet,
Transcaucasus,
Turkey,
Tuva,
Ukraine,
West Siberia,
Yakutskiya,
Yugoslavia
Introduced into:
Alaska,
British Columbia,
Colorado,
Connecticut,
Idaho,
Maine,
Manitoba,
Massachusetts,
Michigan,
Minnesota,
Montana,
Nebraska,
New Brunswick,
New Hampshire,
New York,
Newfoundland,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Pennsylvania,
Saskatchewan,
South Dakota,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin