Native to:
Albania,
Algeria,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Burkina,
Canary Is.,
Cape Verde,
Central European Rus,
Chad,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
Djibouti,
East Aegean Is.,
East European Russia,
Egypt,
Eritrea,
Ethiopia,
Finland,
France,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
Iran,
Iraq,
Ireland,
Italy,
Ivory Coast,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Mali,
Mauritania,
Morocco,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Oman,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Selvagens,
Sicilia,
Sinai,
Socotra,
Somalia,
South European Russi,
Spain,
Sudan,
Sweden,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Yemen,
Yugoslavia
Introduced into:
Afghanistan,
Altay,
Amur,
Angola,
Antipodean Is.,
Argentina Northeast,
Assam,
Bahamas,
Bangladesh,
Belize,
Bolivia,
Botswana,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Buryatiya,
Cameroon,
Cape Provinces,
Caroline Is.,
Chatham Is.,
Chile Central,
China North-Central,
China South-Central,
China Southeast,
Chita,
Christmas I.,
Cocos (Keeling) Is.,
Colombia,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Falkland Is.,
Fiji,
Free State,
Galápagos,
Guatemala,
Guinea,
Gulf of Guinea Is.,
Hainan,
Haiti,
Hawaii,
Honduras,
India,
Inner Mongolia,
Irkutsk,
Jamaica,
Japan,
Jawa,
Kazakhstan,
Kazan-retto,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kuril Is.,
KwaZulu-Natal,
Leeward Is.,
Lesotho,
Line Is.,
Madagascar,
Malaya,
Manchuria,
Marcus I.,
Marianas,
Marquesas,
Marshall Is.,
Maryland,
Mauritius,
Mexico Southeast,
Minnesota,
Mongolia,
Mozambique,
Namibia,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
Nicaragua,
Niue,
Norfolk Is.,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Oregon,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Pitcairn Is.,
Primorye,
Puerto Rico,
Qinghai,
Queensland,
Rodrigues,
Réunion,
Sakhalin,
Society Is.,
South Australia,
South China Sea,
South Georgia,
Sri Lanka,
Swaziland,
Tadzhikistan,
Taiwan,
Tasmania,
Texas,
Thailand,
Tibet,
Tonga,
Trinidad-Tobago,
Tristan da Cunha,
Tuamotu,
Tubuai Is.,
Turkmenistan,
Turks-Caicos Is.,
Uruguay,
Uzbekistan,
Vanuatu,
Venezuela,
Victoria,
Vietnam,
Wake I.,
West Himalaya,
West Siberia,
Western Australia,
Wisconsin,
Xinjiang,
Yakutskiya,
Zambia,
Zaïre,
Zimbabwe