RHODOPHYTA : Ceramiales : CeramiaceaeRED ALGAE

Ceramium botryocarpum Griffiths ex Harvey


Description: Thallus cylindrical, erect and tufted, entirely corticate and well branched to 12 cms long. Branches irregular and strongly inrolled at the apices.

Habitat: Epiphytic and epilithic in pools of the littoral.

Distribution: Probably widely distributed in the British Isles including the Channel Isles. Europe: France.

Similar Species: All fully corticate Ceramium species are similar and not readily identified.

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

iNaturalist: Ceramium botryocarpum at iNaturalist World Species Observations database.

WoRMS: Ceramium botryocarpum at World Register of Marine Species.

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 Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Ceramium botryocarpum. Griffiths ex Harvey. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=ZM8091. Accessed on 2026-11-01