Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Argentina South,
Austria,
Azores,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Cape Verde,
Central European Rus,
Chad,
Chile Central,
Chile North,
Chile South,
China North-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
Djibouti,
East Aegean Is.,
East European Russia,
Egypt,
Eritrea,
Ethiopia,
Finland,
France,
Germany,
Great Britain,
Greece,
Gulf States,
Hainan,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Italy,
Kazakhstan,
Kirgizstan,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Mali,
Manchuria,
Mauritania,
Mexican Pacific Is.,
Mexico Northwest,
Mongolia,
Morocco,
Nepal,
Netherlands,
Niger,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Oman,
Pakistan,
Palestine,
Peru,
Poland,
Portugal,
Qinghai,
Romania,
Sardegna,
Saudi Arabia,
Senegal,
Sicilia,
Sinai,
Socotra,
Somalia,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
Vietnam,
West Himalaya,
West Siberia,
Western Sahara,
Xinjiang,
Yemen,
Yugoslavia
Introduced into:
Alabama,
Argentina Northeast,
Argentina Northwest,
Bermuda,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Colorado,
Connecticut,
Costa Rica,
Delaware,
Ecuador,
Falkland Is.,
Georgia,
Hawaii,
Idaho,
Illinois,
Indiana,
Iowa,
Jamaica,
Juan Fernández Is.,
Leeward Is.,
Louisiana,
Maine,
Maryland,
Massachusetts,
Mauritius,
Michigan,
Minnesota,
Mississippi,
Montana,
Nebraska,
New Brunswick,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
Norfolk Is.,
North Carolina,
Northern Territory,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Queensland,
Québec,
Rhode I.,
Réunion,
South Australia,
South Dakota,
Tasmania,
Texas,
Uruguay,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Western Australia,
Windward Is.,
Wisconsin,
Wyoming