RHODOPHYTA : Ceramiales : RhodomelaceaeRED ALGAE

Brongniartella byssoides (Goodenough et Woodward) Schmitz


Description: Thallus filamentous, densley branched and erect to 30 cms, Main axis polysiphonous with 7 pericentral cells and fine monosiphonous lateral branches.

Habitat: Epilithic and epiphytic, sublittoral to 30 m.

Distribution: Widely distributed around the British Isles including the Shetlands and Channel Islands. Europe: Mediterranean, Portugal, Atlantic coasts of Spain and France, Baltic Sea, Norway and the Faroes.

Similar Species: Dasya is similar but the main branches are corticate to some degree.

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

iNaturalist: Brongniartella byssoides at iNaturalist World Species Observations database.

WoRMS: Brongniartella byssoides at World Register of Marine Species.

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 Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Brongniartella byssoides. (Goodenough et Woodward) Schmitz. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=ZM10500. Accessed on 2026-11-01