Doubtfully present in:
Maine,
New Hampshire
Native to:
Afghanistan,
Alabama,
Aldabra,
Algeria,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Aruba,
Assam,
Azores,
Bahamas,
Baleares,
Bangladesh,
Belize,
Benin,
Bermuda,
Bismarck Archipelago,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Caroline Is.,
Cayman Is.,
Central African Republic,
Central American Pacific Is.,
Chad,
Chile Central,
Chile North,
China South-Central,
China Southeast,
Christmas I.,
Cocos (Keeling) Is.,
Colombia,
Colorado,
Comoros,
Congo,
Connecticut,
Cook Is.,
Corse,
Costa Rica,
Cuba,
Cyprus,
Delaware,
District of Columbia,
Djibouti,
Dominican Republic,
East Aegean Is.,
East Himalaya,
Easter Is.,
Ecuador,
Egypt,
El Salvador,
Equatorial Guinea,
Eritrea,
Ethiopia,
Fiji,
Florida,
Free State,
French Guiana,
Gabon,
Galápagos,
Gambia,
Georgia,
Ghana,
Gilbert Is.,
Greece,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Guyana,
Hainan,
Haiti,
Hawaii,
Honduras,
Illinois,
India,
Indiana,
Iowa,
Iran,
Italy,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kansas,
Kazan-retto,
Kentucky,
Kenya,
Kermadec Is.,
Kriti,
Kuwait,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Leeward Is.,
Lesotho,
Lesser Sunda Is.,
Liberia,
Libya,
Line Is.,
Louisiana,
Madagascar,
Madeira,
Malawi,
Malaya,
Mali,
Maluku,
Marcus I.,
Marianas,
Marquesas,
Marshall Is.,
Maryland,
Massachusetts,
Mauritania,
Mauritius,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
Montana,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nauru,
Nebraska,
Nepal,
Netherlands Antilles,
New Caledonia,
New Guinea,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
Nicaragua,
Nicobar Is.,
Niger,
Nigeria,
Niue,
Norfolk Is.,
North Carolina,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Ohio,
Oklahoma,
Oman,
Ontario,
Pakistan,
Palestine,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Phoenix Is.,
Pitcairn Is.,
Portugal,
Puerto Rico,
Queensland,
Rhode I.,
Rodrigues,
Rwanda,
Réunion,
Samoa,
Saudi Arabia,
Senegal,
Seychelles,
Sicilia,
Sierra Leone,
Sinai,
Society Is.,
Socotra,
Solomon Is.,
Somalia,
South Australia,
South Carolina,
South China Sea,
South Dakota,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Tadzhikistan,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Tibet,
Togo,
Tokelau-Manihiki,
Tonga,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Tunisia,
Turkey,
Turks-Caicos Is.,
Tuvalu,
Uganda,
Uruguay,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Victoria,
Vietnam,
Virginia,
Wake I.,
Wallis-Futuna Is.,
West Himalaya,
West Virginia,
Western Australia,
Windward Is.,
Wyoming,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Austria,
Belgium,
British Columbia,
Bulgaria,
California,
Central European Russia,
China North-Central,
East European Russia,
France,
Great Britain,
Inner Mongolia,
Juan Fernández Is.,
Kirgizstan,
Korea,
Maine,
Minnesota,
New Hampshire,
New Zealand South,
North Dakota,
Nova Scotia,
Oregon,
Primorye,
Québec,
Romania,
South European Russia,
St.Helena,
Tasmania,
Transcaucasus,
Turkey-in-Europe,
Turkmenistan,
Vermont,
Washington,
Wisconsin,
Yugoslavia