Native to:
Afghanistan,
Albania,
Algeria,
Angola,
Assam,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Cameroon,
Canary Is.,
Cape Provinces,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
Djibouti,
East Aegean Is.,
East European Russia,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
France,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Italy,
Japan,
Kazakhstan,
Kenya,
Kirgizstan,
Korea,
Kriti,
Krym,
Kuril Is.,
Lebanon-Syria,
Libya,
Madeira,
Malawi,
Morocco,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
Netherlands,
North Caucasus,
Northwest European R,
Norway,
Oman,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
Somalia,
South European Russi,
Spain,
Sudan,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Uganda,
Ukraine,
Uzbekistan,
Vietnam,
West Himalaya,
Yemen,
Yugoslavia,
Zimbabwe
Introduced into:
Alabama,
Argentina Northeast,
Argentina South,
Arizona,
Arkansas,
Bermuda,
Bolivia,
Brazil South,
British Columbia,
California,
Chile Central,
Delaware,
District of Columbia,
Finland,
Florida,
Georgia,
Haiti,
Hawaii,
Idaho,
Illinois,
Indiana,
Iowa,
Jawa,
Juan Fernández Is.,
Kansas,
Kentucky,
Louisiana,
Maryland,
Massachusetts,
Mauritius,
Mexico Northeast,
Michigan,
Minnesota,
Mississippi,
Missouri,
Nebraska,
New Brunswick,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
Norfolk Is.,
North Carolina,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Queensland,
Québec,
Réunion,
South Australia,
South Carolina,
St.Helena,
Sumatera,
Tasmania,
Tennessee,
Texas,
Uruguay,
Utah,
Victoria,
Virginia,
Washington,
West Virginia,
Wisconsin