Native to:
Albania,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Corse,
Czechoslovakia,
East Aegean Is.,
Finland,
France,
Germany,
Greece,
Hungary,
Iran,
Iraq,
Italy,
Krym,
Lebanon-Syria,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Poland,
Romania,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
British Columbia,
Connecticut,
Delaware,
Georgia,
Illinois,
Indiana,
Iowa,
Labrador,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Montana,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North Carolina,
Nova Scotia,
Ohio,
Ontario,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
South Carolina,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin