CHROMOPHYTA : DESMARESTIALES : DesmarestiaceaeBROWN ALGAE

Desmarestia dresnayi Lamouroux ex Leman


Desmarestia dresnayi

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: British Isles: south and western coasts. Europe: Mediterranean, Spain and France.

Similar Species: Desmarestia ligulata is much branched; Laminaria saccharina is thick and leathery.

Key Identification Features:

Distribution Map from BioMar data for Ireland - Google Earth map:  download this placemark (not got Google Earth installed?)

Distribution Map from NBN: Grid map (fast) : Interactive map (slow, requires login to view records) : National Biodiversity Network mapping facility, data for UK.



 Morton, O. & Picton, B.E., 2010. [In] Encyclopedia of Marine Life of Britain and Ireland
http://www.habitas.org.uk/marinelife/species.asp?item=ZR4980

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