Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Amur,
Assam,
Austria,
Azores,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Botswana,
Bulgaria,
Buryatiya,
Canary Is.,
Cape Provinces,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Chita,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
Djibouti,
East Aegean Is.,
East European Russia,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Finland,
France,
Free State,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Kenya,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuwait,
KwaZulu-Natal,
Lebanon-Syria,
Lesotho,
Liberia,
Libya,
Madeira,
Manchuria,
Mauritania,
Mongolia,
Morocco,
Myanmar,
Namibia,
Nepal,
Netherlands,
North Caucasus,
North European Russi,
Northern Provinces,
Northwest European R,
Norway,
Oman,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Qinghai,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
Socotra,
Somalia,
South European Russi,
Spain,
Sudan,
Sweden,
Switzerland,
Tadzhikistan,
Tanzania,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Western Sahara,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia,
Zimbabwe
Introduced into:
Alabama,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Bahamas,
Bermuda,
Bolivia,
Brazil South,
California,
Chad,
Chatham Is.,
Chile Central,
Chile North,
Chile South,
Colombia,
Colorado,
Costa Rica,
Crozet Is.,
Cuba,
Delaware,
Dominican Republic,
Easter Is.,
Ecuador,
Florida,
Føroyar,
Georgia,
Guatemala,
Hainan,
Haiti,
Hawaii,
Iceland,
Idaho,
Illinois,
Japan,
Jawa,
Kentucky,
Kerguelen,
Kermadec Is.,
Labrador,
Leeward Is.,
Magadan,
Marianas,
Maryland,
Massachusetts,
Mauritius,
Mexican Pacific Is.,
Mexico Central,
Mexico Northeast,
Mexico Northwest,
Mexico Southwest,
Minnesota,
Mozambique,
Nevada,
New Caledonia,
New Guinea,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
Niger,
Norfolk Is.,
North Carolina,
Northern Territory,
Ogasawara-shoto,
Oklahoma,
Oregon,
Peru,
Philippines,
Puerto Rico,
Queensland,
Réunion,
South Australia,
South Carolina,
Sri Lanka,
St.Helena,
Taiwan,
Tasmania,
Tennessee,
Texas,
Tuamotu,
Tubuai Is.,
Uruguay,
Venezuela,
Vermont,
Victoria,
Vietnam,
Washington,
Western Australia,
Wisconsin,
Yukon