Doubtfully present in:
Panamá,
Qinghai
Native to:
Alabama,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bahamas,
Bermuda,
Bolivia,
Brazil Northeast,
Brazil South,
Brazil Southeast,
California,
Chatham Is.,
Chile Central,
Chile North,
Chile South,
Colombia,
Connecticut,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
Ecuador,
Florida,
Galápagos,
Georgia,
Guatemala,
Honduras,
Illinois,
Jamaica,
Juan Fernández Is.,
Kansas,
Louisiana,
Maryland,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Nicaragua,
Norfolk Is.,
North Carolina,
Ohio,
Ontario,
Oregon,
Paraguay,
Pennsylvania,
Peru,
Puerto Rico,
Queensland,
Rodrigues,
Réunion,
South Australia,
South Carolina,
Tasmania,
Texas,
Uruguay,
Victoria,
Virginia,
West Virginia,
Western Australia
Introduced into:
Albania,
Angola,
Azores,
Belgium,
Brazil North,
Burundi,
Cameroon,
Canary Is.,
Cape Provinces,
Central African Repu,
China South-Central,
China Southeast,
Cyprus,
East Aegean Is.,
East Himalaya,
Egypt,
Ethiopia,
Free State,
Great Britain,
Greece,
Hainan,
Haiti,
Hawaii,
India,
Italy,
Japan,
Kenya,
Korea,
KwaZulu-Natal,
Madagascar,
Madeira,
Malawi,
Mali,
Mauritania,
Mozambique,
Myanmar,
Nansei-shoto,
New Caledonia,
Northern Provinces,
Pakistan,
Philippines,
Portugal,
Qinghai,
Rwanda,
Saudi Arabia,
Socotra,
Somalia,
Sri Lanka,
St.Helena,
Sudan,
Taiwan,
Tanzania,
Tennessee,
Thailand,
Tibet,
Turkey,
Uganda,
Vietnam,
Yemen,
Yugoslavia,
Zaïre,
Zimbabwe