Native to:
Afghanistan,
Albania,
Algeria,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Botswana,
Bulgaria,
Cape Provinces,
Central European Rus,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Ethiopia,
Finland,
France,
Free State,
Germany,
Greece,
Hungary,
Iran,
Iraq,
Italy,
Kazakhstan,
Kirgizstan,
Kriti,
Krym,
KwaZulu-Natal,
Lebanon-Syria,
Lesotho,
Libya,
Morocco,
Netherlands,
North Caucasus,
North European Russi,
Northern Provinces,
Northwest European R,
Pakistan,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
West Himalaya,
Xinjiang,
Yemen,
Yugoslavia
Introduced into:
Alabama,
Alberta,
Altay,
Amsterdam-St.Paul Is,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Azores,
Bolivia,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Canary Is.,
Cayman Is.,
Chile Central,
Chile South,
Colombia,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Dominican Republic,
Ecuador,
El Salvador,
Falkland Is.,
Georgia,
Great Britain,
Guatemala,
Haiti,
Honduras,
Idaho,
Illinois,
Indiana,
Iowa,
Ireland,
Japan,
Juan Fernández Is.,
Kansas,
Kentucky,
Korea,
Krasnoyarsk,
Louisiana,
Madeira,
Maine,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Michigan,
Minnesota,
Missouri,
Montana,
Mozambique,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
New Zealand South,
North Carolina,
North Dakota,
Norway,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Primorye,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Tasmania,
Tennessee,
Texas,
Uruguay,
Utah,
Vermont,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Zimbabwe