Native to:
Afghanistan,
Albania,
Algeria,
Andaman Is.,
Azores,
Baleares,
Bangladesh,
Bismarck Archipelago,
Borneo,
Bulgaria,
Burundi,
Canary Is.,
Cape Verde,
Chad,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
East Aegean Is.,
East Himalaya,
Egypt,
France,
Greece,
Gulf States,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Italy,
Kazakhstan,
Kirgizstan,
Kriti,
Krym,
Laccadive Is.,
Lebanon-Syria,
Libya,
Madeira,
Maldives,
Manchuria,
Morocco,
Nicobar Is.,
North Caucasus,
Pakistan,
Palestine,
Philippines,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South China Sea,
South European Russi,
Spain,
Sudan,
Tadzhikistan,
Taiwan,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
Vietnam,
West Himalaya,
Xinjiang,
Yugoslavia
Introduced into:
Alabama,
Alberta,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Austria,
Bahamas,
Baltic States,
Belarus,
Belgium,
Bermuda,
Botswana,
Brazil South,
British Columbia,
California,
Cape Provinces,
Central European Rus,
Chatham Is.,
Chile Central,
Chile North,
Chile South,
Colombia,
Colorado,
Comoros,
Connecticut,
Cuba,
Czechoslovakia,
Delaware,
District of Columbia,
Dominican Republic,
East European Russia,
Florida,
Free State,
Georgia,
Germany,
Great Britain,
Haiti,
Honduras,
Idaho,
Illinois,
Indiana,
Iowa,
Jamaica,
Juan Fernández Is.,
Kamchatka,
Kansas,
Kentucky,
Kermadec Is.,
KwaZulu-Natal,
Leeward Is.,
Lesotho,
Louisiana,
Maine,
Malawi,
Manitoba,
Maryland,
Massachusetts,
Mexico Northeast,
Mexico Northwest,
Mexico Southwest,
Minnesota,
Mississippi,
Missouri,
Montana,
Mozambique,
Namibia,
Nansei-shoto,
Nebraska,
Netherlands,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
New Zealand South,
Norfolk Is.,
North Carolina,
North Dakota,
North European Russi,
Northern Provinces,
Northwest European R,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Panamá,
Paraguay,
Pennsylvania,
Poland,
Primorye,
Prince Edward I.,
Puerto Rico,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Southwest Caribbean,
Sweden,
Switzerland,
Tanzania,
Tasmania,
Tennessee,
Texas,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Uruguay,
Utah,
Venezuelan Antilles,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming,
Zambia,
Zimbabwe