| RHODOPHYTA : Ceramiales : Rhodomelaceae | RED ALGAE |
Description: Thallus erect to 8 cms long, axes polysiphonous and ecorticate with 10 - 13 pericentral cells, much branched, the ultimate branches spine-like.
Habitat: Rare. Epilhytic in rock pools of low littoral.
Distribution: British Isles: England, Ireland, Scotland and the Channel Islands. Europe: France. Further afield: Morocco.
Similar Species: P.fucoides has longer latterals, not spine-like but more or less equal in length to the major axes.
Distribution Map from NBN: Polysiphonia simulans at National Biodiversity Network mapping facility, data for UK.
iNaturalist: Polysiphonia simulans at iNaturalist World Species Observations database.
WoRMS: Polysiphonia simulans at World Register of Marine Species.
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| Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Polysiphonia simulans. Harvey. [In] Encyclopedia of Marine Life of Britain and Ireland. https://habitas.org/mbdp/species.php?item=ZM11260. Accessed on 2026-11-01 |