Native to:
Afghanistan,
Albania,
Algeria,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Russia,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Iraq,
Ireland,
Italy,
Kazakhstan,
Kirgizstan,
Kriti,
Krym,
Lebanon-Syria,
Madeira,
Morocco,
Nepal,
Netherlands,
North Caucasus,
Northwest European Russia,
Norway,
Pakistan,
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,
Amsterdam-St.Paul Is.,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bangladesh,
Brazil South,
British Columbia,
California,
Cape Provinces,
Chile Central,
Chile South,
Colorado,
Connecticut,
Costa Rica,
Cuba,
Delaware,
Desventurados Is.,
District of Columbia,
Dominican Republic,
Easter Is.,
Ecuador,
El Salvador,
Finland,
Florida,
Georgia,
Guatemala,
Haiti,
Idaho,
Illinois,
India,
Indiana,
Iowa,
Jamaica,
Jawa,
Kansas,
Kentucky,
Kermadec Is.,
Korea,
Labrador,
Leeward Is.,
Louisiana,
Maine,
Manitoba,
Marianas,
Marshall Is.,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
Nicobar Is.,
North Carolina,
North Dakota,
North European Russia,
Northern Provinces,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Primorye,
Prince Edward I.,
Puerto Rico,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Sri Lanka,
Sudan,
Tasmania,
Tennessee,
Texas,
Uruguay,
Utah,
Vermont,
Vietnam,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming