Native to:
Afghanistan,
Albania,
Algeria,
Austria,
Azores,
Baleares,
Belgium,
Bulgaria,
Canary Is.,
Cape Verde,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
East Aegean Is.,
East Himalaya,
Egypt,
Eritrea,
France,
Germany,
Greece,
Hungary,
India,
Iran,
Iraq,
Italy,
Kazakhstan,
Kenya,
Kirgizstan,
Korea,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Morocco,
Netherlands,
North Caucasus,
Pakistan,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South European Russi,
Spain,
Sri Lanka,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
West Himalaya,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bolivia,
Brazil South,
British Columbia,
California,
Cape Provinces,
Chatham Is.,
Chile Central,
Chile North,
Chile South,
Colombia,
Connecticut,
Costa Rica,
Delaware,
Desventurados Is.,
District of Columbia,
Dominican Republic,
Easter Is.,
Ecuador,
Florida,
Free State,
Georgia,
Great Britain,
Guatemala,
Haiti,
Hawaii,
Idaho,
Illinois,
Indiana,
Iowa,
Ireland,
Irkutsk,
Jamaica,
Japan,
Jawa,
Juan Fernández Is.,
Kansas,
Kentucky,
Kermadec Is.,
KwaZulu-Natal,
Leeward Is.,
Lesotho,
Louisiana,
Madagascar,
Maine,
Maryland,
Massachusetts,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
Montana,
Nevada,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Norfolk Is.,
North Carolina,
Northern Territory,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Philippines,
Primorye,
Queensland,
Rhode I.,
Réunion,
South Australia,
South Carolina,
Sulawesi,
Tasmania,
Tennessee,
Texas,
Tubuai Is.,
Uruguay,
Utah,
Venezuela,
Victoria,
Virginia,
Washington,
West Virginia,
Western Australia,
Wisconsin,
Yukon