CHROMOPHYTA : Ectocarpales : ChordariaceaeBROWN ALGAE

Stictyosiphon griffithsianus (Le Jolis) Holmes et Batters


Description: Polysiphonous filamentous, finely tufted to 10 cms long with widely spreading branches, opposite or whorled.

Habitat: Usually epiphytic on Palmaria palmata.

Distribution: Widespread around the British Isles. Europe: France, Norway, Faroes, Iceland. Atlantic coast of North America: Canada, Maine, New Hampshire and Massachusetts.

Distribution Map from NBN: Stictyosiphon griffithsianus at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Stictyosiphon griffithsianus at iNaturalist World Species Observations database.

WoRMS: Stictyosiphon griffithsianus at World Register of Marine Species.

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 Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Stictyosiphon griffithsianus. (Le Jolis) Holmes et Batters. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=ZR5300. Accessed on 2026-11-01