Native to:
Afghanistan,
Albania,
Algeria,
Angola,
Assam,
Austria,
Bahamas,
Baleares,
Belgium,
Belize,
Benin,
Borneo,
Cape Provinces,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Comoros,
Corse,
Cuba,
Djibouti,
East Himalaya,
El Salvador,
Ethiopia,
France,
Gabon,
Germany,
Ghana,
Great Britain,
Greece,
Guatemala,
Hainan,
Haiti,
Iran,
Italy,
Ivory Coast,
Jamaica,
Japan,
Kenya,
Korea,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Leeward Is.,
Libya,
Madagascar,
Malawi,
Malaya,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Morocco,
Nansei-shoto,
Nepal,
North Caucasus,
Northern Provinces,
Pakistan,
Panamá,
Philippines,
Portugal,
Puerto Rico,
Sardegna,
Sierra Leone,
Socotra,
Somalia,
Spain,
Suriname,
Switzerland,
Taiwan,
Tanzania,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turks-Caicos Is.,
Venezuela,
Vietnam,
West Himalaya,
Windward Is.,
Yugoslavia,
Zaïre
Introduced into:
Alabama,
Azores,
Bulgaria,
Ecuador,
Madeira,
New York,
New Zealand North,
New Zealand South,
North Carolina,
Ohio,
Pennsylvania,
Rhode I.,
Romania,
Tennessee,
Turkmenistan,
Uzbekistan,
Virginia,
West Virginia