| RHODOPHYTA : Nemastomatales : Nemastomataceae | RED ALGAE |
Description: The gelatinous frond grows from discoid base with a short stipe expanding to 30 cms long and up to 10 cms broad. The flattened blade branches dichotomously.
Habitat: Very rare. Deep rock pools in the upper sublittoral.
Distribution: British Isles: south west Ireland, England (Cornwall), Wales and the Channel Islands. Europe: Spain and France. Further afield: Canary Islands.
Distribution Map from NBN: Itonoa marginifera at National Biodiversity Network mapping facility, data for UK.
iNaturalist: Itonoa marginifera at iNaturalist World Species Observations database.
WoRMS: Itonoa marginifera at World Register of Marine Species.
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| Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Itonoa marginifera. (J Agardh) Masuda et Guiry. [In] Encyclopedia of Marine Life of Britain and Ireland. https://habitas.org/mbdp/species.php?item=ZM5350. Accessed on 2026-11-01 |