Desmarestia aculeata
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Desmarestiales
- family: Desmarestiaceae
- genus: Desmarestia
- species: Desmarestia aculeata
North Saanich
Victoria
White Rock
British ColumbiaSaint Andrews
New BrunswickSouris
Prince Edward Island
CanadaAbbeville
B6
FranceNortorf
Schleswig-Holstein
GermanyBantry
Munster
IrelandAkutan
Cordova
Dutch Harbor
Sitka
Unalaska
AlaskaPacific Grove
CaliforniaNewport
Rhode Island
United States