Native to:
Alabama,
Alaska,
Albania,
Alberta,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bahamas,
Baleares,
Belize,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
British Columbia,
Burkina,
California,
Cameroon,
Cape Verde,
Cayman Is.,
Chad,
Chile Central,
Chile North,
Chile South,
Colombia,
Colorado,
Connecticut,
Corse,
Costa Rica,
Cuba,
Cyprus,
Delaware,
District of Columbia,
Dominican Republic,
East Aegean Is.,
Ecuador,
Egypt,
El Salvador,
Florida,
France,
French Guiana,
Georgia,
Greece,
Guatemala,
Guinea,
Gulf of Guinea Is.,
Guyana,
Haiti,
Honduras,
Idaho,
Illinois,
Indiana,
Iowa,
Italy,
Ivory Coast,
Jamaica,
Kansas,
Kentucky,
Lebanon-Syria,
Leeward Is.,
Louisiana,
Madagascar,
Maine,
Mali,
Manitoba,
Maryland,
Massachusetts,
Mauritania,
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,
Nicaragua,
North Carolina,
North Dakota,
Northwest Territories,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Palestine,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Prince Edward I.,
Puerto Rico,
Québec,
Rhode I.,
Sardegna,
Saskatchewan,
Saudi Arabia,
Senegal,
Sicilia,
Sinai,
South Carolina,
South Dakota,
Spain,
Sudan,
Suriname,
Tennessee,
Texas,
Trinidad-Tobago,
Turkey,
Uruguay,
Utah,
Venezuela,
Venezuelan Antilles,
Vermont,
Virginia,
Washington,
West Virginia,
Windward Is.,
Wisconsin,
Wyoming,
Yemen,
Yugoslavia
Introduced into:
Afghanistan,
Algeria,
Assam,
Austria,
Baltic States,
Belarus,
Belgium,
Botswana,
Bulgaria,
Cape Provinces,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Czechoslovakia,
Denmark,
East European Russia,
Ethiopia,
Finland,
Free State,
Germany,
Great Britain,
Hawaii,
Hungary,
India,
Inner Mongolia,
Iran,
Ireland,
Irkutsk,
Japan,
Jawa,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krym,
KwaZulu-Natal,
Lesotho,
Madeira,
Manchuria,
Mauritius,
Mexican Pacific Is.,
Morocco,
Mozambique,
Netherlands,
New South Wales,
Newfoundland,
North Caucasus,
Northern Provinces,
Northwest European Russia,
Norway,
Poland,
Portugal,
Primorye,
Queensland,
Romania,
Réunion,
Sakhalin,
South Australia,
South European Russia,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Transcaucasus,
Tunisia,
Ukraine,
Uzbekistan,
Victoria,
West Siberia,
Western Australia,
Zambia,
Zaïre,
Zimbabwe