Native to:
Albania,
Algeria,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Rus,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Greece,
Hungary,
Iran,
Irkutsk,
Italy,
Kazakhstan,
Krasnoyarsk,
Krym,
Madeira,
Mongolia,
Morocco,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
West Siberia,
Yugoslavia
Introduced into:
Alabama,
Alberta,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Azores,
Bolivia,
British Columbia,
California,
Cape Provinces,
Chile Central,
Chile South,
Colombia,
Connecticut,
Delaware,
District of Columbia,
Ecuador,
Falkland Is.,
Georgia,
Great Britain,
Greenland,
Iceland,
Idaho,
Illinois,
Indiana,
Ireland,
Kamchatka,
Kansas,
Kentucky,
Korea,
Louisiana,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New South Wales,
New York,
New Zealand North,
Newfoundland,
North Carolina,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Carolina,
Taiwan,
Tasmania,
Tennessee,
Utah,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Wisconsin