Native to:
Alabama,
Albania,
Algeria,
Aruba,
Bahamas,
Baleares,
Baltic States,
Belgium,
Belize,
Bermuda,
Bulgaria,
Canary Is.,
Cape Verde,
Cayman Is.,
Colombia,
Connecticut,
Corse,
Cuba,
Cyprus,
Delaware,
Denmark,
Dominican Republic,
East Aegean Is.,
Egypt,
Finland,
Florida,
France,
Føroyar,
Georgia,
Germany,
Great Britain,
Greece,
Guatemala,
Gulf States,
Haiti,
Honduras,
Iceland,
Illinois,
Indiana,
Iran,
Iraq,
Ireland,
Italy,
Jamaica,
Kriti,
Krym,
Kuwait,
Labrador,
Lebanon-Syria,
Leeward Is.,
Libya,
Louisiana,
Madeira,
Maine,
Maryland,
Massachusetts,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Michigan,
Mississippi,
Morocco,
Netherlands,
Netherlands Antilles,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
Nicaragua,
North Carolina,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Nova Scotia,
NW. Balkan Pen.,
Ohio,
Oman,
Ontario,
Palestine,
Panamá,
Pennsylvania,
Poland,
Portugal,
Prince Edward I.,
Puerto Rico,
Québec,
Rhode I.,
Romania,
Sardegna,
Saudi Arabia,
Selvagens,
Sicilia,
Sinai,
South Carolina,
South European Russia,
Spain,
Sweden,
Texas,
Transcaucasus,
Tunisia,
Turks-Caicos Is.,
Türkey,
Türkey-in-Europe,
Ukraine,
Venezuela,
Venezuelan Antilles,
Virginia,
Western Sahara,
Windward Is.,
Wisconsin
Extinct in:
Svalbard
Introduced into:
Alaska,
Argentina Northeast,
Azores,
British Columbia,
California,
Central European Russia,
Chatham Is.,
Czechia-Slovakia,
Japan,
Kermadec Is.,
Korea,
Kuril Is.,
Mexico Northwest,
New Caledonia,
New South Wales,
New Zealand North,
New Zealand South,
Norfolk Is.,
Oregon,
Primorye,
Queensland,
Sakhalin,
South Australia,
Tasmania,
Uruguay,
Victoria,
Washington,
Western Australia