Native to:
Alaska,
Aleutian Is.,
Algeria,
Baleares,
Baltic States,
Bangladesh,
Belgium,
Bermuda,
British Columbia,
Bulgaria,
California,
Central American Pacific Is.,
China North-Central,
Connecticut,
Corse,
Delaware,
Denmark,
East Aegean Is.,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Greenland,
Honduras,
Iceland,
Ireland,
Italy,
Japan,
Kamchatka,
Khabarovsk,
Korea,
Kriti,
Krym,
Labrador,
Magadan,
Maine,
Manchuria,
Maryland,
Massachusetts,
Mexican Pacific Is.,
Mexico Northwest,
Morocco,
Myanmar,
Netherlands,
New Brunswick,
New Hampshire,
New York,
Newfoundland,
North Carolina,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Nova Scotia,
Nunavut,
NW. Balkan Pen.,
Ontario,
Oregon,
Poland,
Portugal,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Romania,
Sakhalin,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Thailand,
Transcaucasus,
Türkiye,
Türkiye-in-Europe,
Ukraine,
Virginia,
Washington,
Yukon