Native to:
Afghanistan,
Albania,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Rus,
China North-Central,
China South-Central,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Inner Mongolia,
Iran,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Krasnoyarsk,
Krym,
Nepal,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Pakistan,
Poland,
Portugal,
Qinghai,
Romania,
South European Russi,
Spain,
Sweden,
Switzerland,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Tuva,
Ukraine,
West Himalaya,
West Siberia,
Xinjiang,
Yakutskiya,
Yugoslavia
Introduced into:
Amur,
Argentina South,
British Columbia,
California,
Colorado,
Connecticut,
District of Columbia,
Florida,
Iceland,
Idaho,
Illinois,
Indiana,
Iowa,
Japan,
Kamchatka,
Kansas,
Kentucky,
Khabarovsk,
Kuril Is.,
Labrador,
Magadan,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
Montana,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North Carolina,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
South Carolina,
South Georgia,
Tennessee,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin