Native to:
Afghanistan,
Alabama,
Albania,
Algeria,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Assam,
Azores,
Bahamas,
Baleares,
Bangladesh,
Belize,
Benin,
Bermuda,
Bolivia,
Botswana,
Brazil North,
Brazil West-Central,
Bulgaria,
Burkina,
Burundi,
California,
Canary Is.,
Cape Verde,
Cayman Is.,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Congo,
Corse,
Costa Rica,
Cuba,
Cyprus,
Delaware,
Djibouti,
Dominican Republic,
East Aegean Is.,
Ecuador,
Egypt,
Eritrea,
Ethiopia,
Fiji,
Florida,
France,
French Guiana,
Gabon,
Gambia,
Georgia,
Ghana,
Greece,
Guinea,
Guinea-Bissau,
Guyana,
Haiti,
Honduras,
Illinois,
India,
Inner Mongolia,
Iran,
Iraq,
Italy,
Ivory Coast,
Jamaica,
Jawa,
Kansas,
Kazakhstan,
Kentucky,
Kenya,
Kirgizstan,
Korea,
Kriti,
Krym,
Lebanon-Syria,
Leeward Is.,
Lesser Sunda Is.,
Libya,
Louisiana,
Malawi,
Malaya,
Mali,
Manchuria,
Maryland,
Mauritania,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
Mongolia,
Morocco,
Mozambique,
Myanmar,
Nebraska,
Nepal,
Netherlands Antilles,
Nevada,
New Caledonia,
New Guinea,
New Mexico,
New South Wales,
Niger,
Nigeria,
Norfolk Is.,
North Carolina,
North Caucasus,
Northern Territory,
Oklahoma,
Oman,
Pakistan,
Palestine,
Paraguay,
Peru,
Philippines,
Portugal,
Primorye,
Puerto Rico,
Queensland,
Romania,
Rwanda,
Réunion,
Sardegna,
Saudi Arabia,
Senegal,
Seychelles,
Sicilia,
Sinai,
Society Is.,
Somalia,
South Australia,
South Carolina,
South European Russi,
Southwest Caribbean,
Spain,
Sri Lanka,
Sudan,
Sumatera,
Suriname,
Tadzhikistan,
Taiwan,
Tanzania,
Tasmania,
Texas,
Thailand,
Togo,
Transcaucasus,
Trinidad-Tobago,
Tunisia,
Turkey,
Turkey-in-Europe,
Uganda,
Ukraine,
Uruguay,
Utah,
Uzbekistan,
Venezuela,
Venezuelan Antilles,
Victoria,
Vietnam,
Virginia,
West Himalaya,
Western Australia,
Wyoming,
Xinjiang,
Yemen,
Yugoslavia,
Zambia,
Zaïre
Introduced into:
Chagos Archipelago,
Comoros,
Hawaii,
Switzerland,
Tennessee