RHODOPHYTA : Gigartinales : DumontiaceaeRED ALGAE

Dilsea carnosa (Schmidel) Kuntze


 image: dilcar
Dilsea carnosa

Description: Thallus a broad oval frond arising from a discoid holdfast the short stipe expanding into a thick flat frond up to 50 cms long and 10 cms or so broad. Leatherly and deep blood red in colour, older fronds often split down to the stipe.

Habitat: Common. Epilithic in deep rock pools of the low littoral into the sublittoral to depths of more than 35 m.

Distribution: Around the British Isles including the Shetlands and the Channel Islands. Europe: Portugal, Spain, France, the Baltic, Norway, Spitzbergen and Iceland.

Similar Species: Palmaria palmata, the edible "Dulse" is vaguely similar, however Dilsea is much more leatherly and less branched.

Key Identification Features:

  • Leatherly nature and deep red colour of the frond.

Distribution Map from NBN: Dilsea carnosa at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Dilsea carnosa at iNaturalist World Species Observations database.

WoRMS: Dilsea carnosa at World Register of Marine Species. Accepted name: Dilsea carnosa (Schmidel) Kuntze, 1898. AphiaID: 145222.

Classification: Biota; Plantae; Biliphyta; Rhodophyta; Eurhodophytina; Florideophyceae; Rhodymeniophycidae; Gigartinales; Dumontiaceae; Dilsea

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 Morton, O. & Picton, B.E. (2024). Dilsea carnosa. (Schmidel) Kuntze. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://www2.habitas.org.uk/marbiop-ni/speciesaccounts.php?item=ZM2560. Accessed on 2024-07-04