Native to:
Albania,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Greece,
Italy,
Kazakhstan,
Netherlands,
Northwest European R,
Norway,
Poland,
Spain,
Sweden,
Switzerland,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
Alberta,
Arizona,
British Columbia,
California,
Colorado,
Connecticut,
Corse,
Delaware,
District of Columbia,
Georgia,
Great Britain,
Haiti,
Idaho,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Maine,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North European Russi,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Dakota,
Tennessee,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming