Native to:
Afghanistan,
Albania,
Algeria,
Antipodean Is.,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Ascension,
Assam,
Azores,
Baleares,
Bangladesh,
Bolivia,
Brazil South,
Brazil Southeast,
Bulgaria,
Burundi,
California,
Canary Is.,
Cape Provinces,
Cape Verde,
Chad,
Chile Central,
Chile North,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Corse,
Costa Rica,
Crozet Is.,
Cyprus,
East Aegean Is.,
East Himalaya,
Ecuador,
Egypt,
El Salvador,
Eritrea,
Ethiopia,
Falkland Is.,
France,
Free State,
Great Britain,
Greece,
Guatemala,
Gulf States,
Honduras,
India,
Inner Mongolia,
Iran,
Iraq,
Italy,
Japan,
Juan Fernández Is.,
Kazakhstan,
Kenya,
Kerguelen,
Kirgizstan,
Korea,
Kriti,
Krym,
Kuwait,
Lebanon-Syria,
Libya,
Louisiana,
Macquarie Is.,
Madeira,
Marion-Prince Edward,
Mauritania,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mongolia,
Morocco,
Myanmar,
Namibia,
Nansei-shoto,
Nebraska,
Nepal,
Nevada,
New Mexico,
New Zealand South,
Nicaragua,
Niger,
North Caucasus,
Oklahoma,
Oman,
Oregon,
Pakistan,
Palestine,
Panamá,
Paraguay,
Peru,
Portugal,
Qinghai,
Romania,
Rwanda,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
Socotra,
Somalia,
South Australia,
South European Russi,
Spain,
Sri Lanka,
St.Helena,
Sudan,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Texas,
Tibet,
Transcaucasus,
Tristan da Cunha,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Uganda,
Uruguay,
Utah,
Uzbekistan,
Venezuela,
Vietnam,
Washington,
West Himalaya,
Western Australia,
Western Sahara,
Wyoming,
Xinjiang,
Yemen,
Yugoslavia,
Zambia,
Zimbabwe
Introduced into:
Alabama,
Alaska,
Alberta,
Angola,
Arkansas,
Austria,
Belgium,
Bermuda,
Botswana,
British Columbia,
Chatham Is.,
Connecticut,
Czechoslovakia,
Delaware,
Florida,
Georgia,
Hawaii,
Idaho,
Jamaica,
Kansas,
Kentucky,
Kermadec Is.,
KwaZulu-Natal,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mauritius,
Mexican Pacific Is.,
Michigan,
Minnesota,
Mississippi,
Montana,
New Caledonia,
New Guinea,
New Hampshire,
New Jersey,
New South Wales,
New York,
New Zealand North,
Norfolk Is.,
North Carolina,
North Dakota,
Northern Provinces,
Northern Territory,
Ontario,
Pennsylvania,
Primorye,
Puerto Rico,
Queensland,
Québec,
Réunion,
Saskatchewan,
South Carolina,
South Dakota,
Swaziland,
Tasmania,
Tennessee,
Ukraine,
Venezuelan Antilles,
Victoria,
Virginia,
Wisconsin,
Yukon