| RHODOPHYTA : Ceramiales : Wrangeliaceae | RED ALGAE |
Description: Thallis with prostrate axes spreading over the substrate and giving rise to erect filamentous tufts rising to 20 cms. Branching irregular.
Habitat: Epilithic and epiphytic, from extreme low littoral to 10 m depth.
Distribution: Very rare, recorded at only a few sites in the south-west of the British Isles
Similar Species: Spermothamnion spp.
Distribution Map from NBN: Ptilothamnion sphaericum at National Biodiversity Network mapping facility, data for UK.
iNaturalist: Ptilothamnion sphaericum at iNaturalist World Species Observations database.
WoRMS: Ptilothamnion sphaericum at World Register of Marine Species.
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| Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Ptilothamnion sphaericum. (P Crouan et H Crouan) Maggs et Hommersand. [In] Encyclopedia of Marine Life of Britain and Ireland. https://habitas.org/mbdp/species.php?item=ZM8985. Accessed on 2026-11-01 |