RHODOPHYTA : Colaconematales : ColaconemataceaeRED ALGAE

Colaconema caespitosum (J.Agardh) Jackelman, Stegenga & J.J.Bolton, 1991


Description: Small uniseriate filaments, branching and erect to 10 mm.

Habitat: Epiphytic on algae and epizoic on Patella in the sublittoral to 8 m.

Distribution: Widely distributed on the south coasts of England: Devon and Dorset and the Channel Islands also recorded from Northern Ireland and Scotland. Europe: Spain and France.

Similar Species: All species of Colaconema and Acrochaetium (Audouinella) are similar, microscopic examination is usually required for identification.

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

iNaturalist: Colaconema caespitosum at iNaturalist World Species Observations database.

WoRMS: Colaconema caespitosum at World Register of Marine Species.

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 Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Colaconema caespitosum. (J.Agardh) Jackelman, Stegenga & J.J.Bolton, 1991. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=ZM1050. Accessed on 2026-11-01