Native to:
Albania,
Algeria,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Italy,
Kazakhstan,
Krym,
Lebanon-Syria,
Morocco,
Netherlands,
North Caucasus,
Northwest European R,
Norway,
Poland,
Qinghai,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Xinjiang,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Alberta,
Altay,
Amur,
Argentina Northeast,
Argentina South,
Arizona,
Arkansas,
British Columbia,
California,
Cape Provinces,
Chile Central,
Chile South,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Dominican Republic,
Georgia,
Haiti,
Hawaii,
Idaho,
Illinois,
Indiana,
Iowa,
Ireland,
Irkutsk,
Jamaica,
Japan,
Kamchatka,
Kansas,
Kentucky,
Khabarovsk,
Korea,
Krasnoyarsk,
Kuril Is.,
Labrador,
Lesotho,
Louisiana,
Madeira,
Magadan,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
North Dakota,
North European Russi,
Northwest Territorie,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Carolina,
South Dakota,
Taiwan,
Tasmania,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington,
West Himalaya,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Yukon