CHROMOPHYTA : Ectocarpales : ChordariaceaeBROWN ALGAE

Myriocladia tomentosa P Crouan et H Crouan


Description: Frond cylindrical, hollow in the centre, sparsely branched and gelatinous, 10 - 20 cms long. Peripheral moniliform filaments numerous but not branched.

Habitat: Very rare. Sublittoral.

Distribution: Widespread in the British Isles. Europe: France.

Similar Species: Myriocladia lovenii has branched filaments.

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

iNaturalist: Myriocladia tomentosa at iNaturalist World Species Observations database.

WoRMS: Myriocladia tomentosa at World Register of Marine Species.

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 Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Myriocladia tomentosa. P Crouan et H Crouan. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=ZR3600. Accessed on 2026-11-01