| RHODOPHYTA : Ceramiales : Rhodomelaceae | RED ALGAE |
Description: Thallus small polysiphonous. Prostrate axes form erect tufts to 10 cms long, terete and complanate with 10 - 12 pericentral cells, ecorticate. Branches alternate and fine.
Habitat: Rare. Epilithic or epiphytic in low rock pools to 20 m in the low littoral and sublittoral.
Distribution: Known from only a few sites in the British Isles: Cornwall in England, Pembroke in Wales and Clare in Ireland. Europe: Mediterranean and Portugal.
Distribution Map from NBN: Pterosiphonia ardreana at National Biodiversity Network mapping facility, data for UK.
iNaturalist: Pterosiphonia ardreana at iNaturalist World Species Observations database.
WoRMS: Pterosiphonia ardreana at World Register of Marine Species.
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| Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Pterosiphonia ardreana. Maggs et Hommersand. [In] Encyclopedia of Marine Life of Britain and Ireland. https://habitas.org/mbdp/species.php?item=ZM11355. Accessed on 2026-11-01 |