Native to:
Afghanistan,
Albania,
Algeria,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Russia,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
France,
Germany,
Great Britain,
Hungary,
Inner Mongolia,
Iraq,
Ireland,
Italy,
Japan,
Kazakhstan,
Kirgizstan,
Korea,
Manchuria,
Mongolia,
Nansei-shoto,
Netherlands,
Northwest European Russia,
Pakistan,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
West Himalaya,
Xinjiang,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Alberta,
Amur,
Argentina South,
Arkansas,
British Columbia,
California,
Chile South,
China Southeast,
Colorado,
Connecticut,
Finland,
Georgia,
Iceland,
Idaho,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Labrador,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Northwest,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
North European Russia,
Norway,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Dakota,
Sri Lanka,
Svalbard,
Tennessee,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming