Native to:
Egypt,
Ethiopia,
Libya,
Sudan
Introduced into:
Afghanistan,
Alabama,
Albania,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Arkansas,
Ascension,
Assam,
Austria,
Azores,
Bahamas,
Bangladesh,
Benin,
Bolivia,
Botswana,
Brazil South,
Brazil West-Central,
Burkina,
Burundi,
California,
Cameroon,
Cape Provinces,
Caroline Is.,
Cayman Is.,
Central African Repu,
Chad,
China Southeast,
Colombia,
Congo,
Connecticut,
Cook Is.,
Costa Rica,
Cuba,
Czechoslovakia,
Denmark,
Djibouti,
Dominican Republic,
East Aegean Is.,
Ecuador,
El Salvador,
Eritrea,
Finland,
Florida,
Free State,
Gabon,
Galápagos,
Gambia,
Georgia,
Ghana,
Gilbert Is.,
Great Britain,
Greece,
Guatemala,
Guinea,
Gulf of Guinea Is.,
Hainan,
Haiti,
Illinois,
India,
Indiana,
Iraq,
Ivory Coast,
Jawa,
Kansas,
Kazakhstan,
Kentucky,
Kenya,
Korea,
KwaZulu-Natal,
Laos,
Leeward Is.,
Lesotho,
Lesser Sunda Is.,
Louisiana,
Maine,
Malawi,
Mali,
Marianas,
Marshall Is.,
Maryland,
Massachusetts,
Mauritania,
Mauritius,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
Mozambique,
Namibia,
Nauru,
Nepal,
Nevada,
New Caledonia,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Nicaragua,
Nicobar Is.,
Niger,
Nigeria,
Niue,
North Carolina,
Northern Provinces,
Northern Territory,
Norway,
Ohio,
Oklahoma,
Oman,
Pakistan,
Pennsylvania,
Portugal,
Puerto Rico,
Qinghai,
Queensland,
Rhode I.,
Rodrigues,
Romania,
Rwanda,
Réunion,
Samoa,
Saudi Arabia,
Senegal,
Sierra Leone,
Society Is.,
Socotra,
Somalia,
South Australia,
South Carolina,
Sri Lanka,
Swaziland,
Sweden,
Tadzhikistan,
Tanzania,
Tennessee,
Texas,
Togo,
Transcaucasus,
Trinidad-Tobago,
Tubuai Is.,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Uganda,
Utah,
Uzbekistan,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Vermont,
Victoria,
Vietnam,
Virginia,
West Virginia,
Western Australia,
Windward Is.,
Wisconsin,
Zambia,
Zaïre,
Zimbabwe