| CHROMOPHYTA : Desmarestiales : Desmarestiaceae | BROWN ALGAE |
Description: Thalli erect and flattened, thin and membranous with terete stipe. Blades delicate to over 35 cms long and 6 cms wide. Midrib distinct, veins opposite and branch as secondary veins.
Habitat: Epilithic in the sublittoral to at least 18 m.
Distribution: North-eastern coast of Ireland and south and western coasts of Britain. Europe: Mediterranean, Spain and France.
Similar Species: Desmarestia ligulata is much branched; Saccharina latissima is thick and leatherly.
Key Identification Features:
Distribution Map from NBN: Desmarestia dudresnayi at National Biodiversity Network mapping facility, data for UK.
iNaturalist: Desmarestia dudresnayi at iNaturalist World Species Observations database.
WoRMS: Desmarestia dudresnayi at World Register of Marine Species.
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| Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Desmarestia dudresnayi. Lamouroux ex Leman. [In] Encyclopedia of Marine Life of Britain and Ireland. https://habitas.org/mbdp/species.php?item=ZR4980. Accessed on 2026-11-01 |