Native to:
Alabama,
Alberta,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bahamas,
Bermuda,
Bolivia,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Chile Central,
Chile North,
Chile South,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Cuba,
Delaware,
Desventurados Is.,
District of Columbia,
Dominican Republic,
Ecuador,
El Salvador,
Florida,
Georgia,
Guatemala,
Honduras,
Idaho,
Illinois,
Indiana,
Iowa,
Jamaica,
Juan Fernández Is.,
Kansas,
Kentucky,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
Nicaragua,
North Carolina,
North Dakota,
Northwest Territories,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Tennessee,
Texas,
Uruguay,
Utah,
Venezuela,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming
Introduced into:
Afghanistan,
Albania,
Algeria,
Altay,
Amur,
Angola,
Assam,
Austria,
Azores,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Canary Is.,
Cape Provinces,
Cape Verde,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Easter Is.,
Egypt,
Ethiopia,
Finland,
France,
Free State,
Germany,
Great Britain,
Greece,
Hawaii,
Hungary,
India,
Inner Mongolia,
Iran,
Ireland,
Irkutsk,
Italy,
Japan,
Jawa,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
KwaZulu-Natal,
Lesotho,
Libya,
Madagascar,
Madeira,
Manchuria,
Mauritius,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
Netherlands,
New South Wales,
Norfolk Is.,
Northern Provinces,
Northern Territory,
Northwest European Russia,
Norway,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Queensland,
Romania,
Rwanda,
Réunion,
Sakhalin,
Sardegna,
Sicilia,
Sinai,
South Australia,
South European Russia,
Spain,
Sri Lanka,
Swaziland,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tasmania,
Transcaucasus,
Tristan da Cunha,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Uzbekistan,
Victoria,
Vietnam,
West Himalaya,
West Siberia,
Western Australia,
Yugoslavia,
Zambia,
Zimbabwe