| RHODOPHYTA : Ceramiales : Wrangeliaceae | RED ALGAE |
Description: Thallus large and erect in dense tufts of filaments to 20 cms long. All ramuli short and fine, in whorls clearly separated to the naked eye.
Habitat: Common especially on wave-exposed coasts. Low littoral and sublittoral to 20 m.
Distribution: A south-western species in the British Isles: south-west England, Wales, Ireland, Isle of Man and western Scotland also the Channel Islands. Europe: Portugal, Spain and the Baltic. Further afield: Canary Islands.
Similar Species: Halurus equisetifolius
Distribution Map from NBN: Sphondylothamnion multifidum at National Biodiversity Network mapping facility, data for UK.
iNaturalist: Sphondylothamnion multifidum at iNaturalist World Species Observations database.
WoRMS: Sphondylothamnion multifidum at World Register of Marine Species.
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| Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Sphondylothamnion multifidum. (Hudson) Nägeli. [In] Encyclopedia of Marine Life of Britain and Ireland. https://habitas.org/mbdp/species.php?item=ZM9230. Accessed on 2026-11-01 |