Native to:
Alabama,
Alberta,
Arizona,
Arkansas,
Belize,
British Columbia,
California,
Colombia,
Colorado,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
Ecuador,
Florida,
Galápagos,
Georgia,
Guatemala,
Haiti,
Idaho,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Leeward Is.,
Louisiana,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Mexico Northwest,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New Jersey,
New Mexico,
New York,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Puerto Rico,
Québec,
Rhode I.,
Saskatchewan,
South Dakota,
Tennessee,
Texas,
Trinidad-Tobago,
Utah,
Virginia,
Washington,
West Virginia,
Windward Is.,
Wisconsin,
Wyoming
Introduced into:
Afghanistan,
Albania,
Amur,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Assam,
Austria,
Bahamas,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bismarck Archipelago,
Borneo,
Botswana,
Bulgaria,
Burkina,
Buryatiya,
Cameroon,
Canary Is.,
Cape Provinces,
Caroline Is.,
Central European Russia,
Chad,
Chile Central,
Chile North,
China Southeast,
Chita,
Comoros,
Cook Is.,
Cyprus,
Czechoslovakia,
East Aegean Is.,
East European Russia,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Fiji,
France,
Free State,
Germany,
Great Britain,
Greece,
Guinea,
Gulf States,
Hawaii,
Hungary,
India,
Inner Mongolia,
Iran,
Ireland,
Italy,
Jamaica,
Japan,
Jawa,
Kenya,
Khabarovsk,
Kirgizstan,
Korea,
Kriti,
Krym,
KwaZulu-Natal,
Lebanon-Syria,
Lesotho,
Lesser Sunda Is.,
Line Is.,
Madagascar,
Madeira,
Malaya,
Mauritius,
Morocco,
Mozambique,
Myanmar,
Nansei-shoto,
Netherlands,
New Caledonia,
New South Wales,
New Zealand North,
New Zealand South,
Niue,
North Caucasus,
Northern Provinces,
Northern Territory,
Northwest European Russia,
Palestine,
Paraguay,
Poland,
Portugal,
Primorye,
Queensland,
Romania,
Réunion,
Samoa,
Sardegna,
Seychelles,
Society Is.,
Solomon Is.,
Somalia,
South Australia,
South European Russia,
Spain,
Sri Lanka,
Sudan,
Swaziland,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Tasmania,
Thailand,
Transcaucasus,
Tuamotu,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Uganda,
Ukraine,
Uruguay,
Uzbekistan,
Venezuela,
Victoria,
Vietnam,
West Himalaya,
West Siberia,
Western Australia,
Xinjiang,
Yemen,
Yugoslavia,
Zambia,
Zimbabwe