Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Russia,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Iraq,
Ireland,
Italy,
Kazakhstan,
Kirgizstan,
Kriti,
Krym,
Lebanon-Syria,
Madeira,
Morocco,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Pakistan,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
West Himalaya,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Amsterdam-St.Paul Is.,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bermuda,
Bolivia,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Cape Provinces,
Chile Central,
Chile North,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Delaware,
District of Columbia,
Dominican Republic,
Easter Is.,
Ecuador,
Eritrea,
Ethiopia,
Falkland Is.,
Florida,
Georgia,
Greenland,
Guatemala,
Haiti,
Hawaii,
Iceland,
Idaho,
Illinois,
Indiana,
Iowa,
Jamaica,
Japan,
Juan Fernández Is.,
Kansas,
Kentucky,
Korea,
Louisiana,
Madagascar,
Maine,
Maryland,
Massachusetts,
Mexico Central,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
Newfoundland,
Norfolk Is.,
North Carolina,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Panamá,
Pennsylvania,
Peru,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Réunion,
Sakhalin,
South Carolina,
South Dakota,
Sri Lanka,
St.Helena,
Taiwan,
Tasmania,
Tennessee,
Texas,
Uruguay,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming,
Yukon