CHROMOPHYTA : Ectocarpales : ChordariaceaeBROWN ALGAE

Mikrosyphar porphyrae Kuckuck


Description: Monosiphonous filaments creeping endophytically in Porphyra, forming brown patches on species of Porphyra.

Habitat: Rare, epiphytic in species of Porphyta.

Distribution: Recorded from scattered sites on coasts of British Isles. Europe: Spain, France, Baltic Sea, Norway and Iceland. Atlantic coast of North America: Canada, New Hampshire and Massachusetts.

Similar Species: Mikrosyphar polysiphoniae is endophytic in Porphyra.

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

iNaturalist: Mikrosyphar porphyrae at iNaturalist World Species Observations database.

WoRMS: Mikrosyphar porphyrae at World Register of Marine Species.

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 Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Mikrosyphar porphyrae. Kuckuck. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=ZR960. Accessed on 2026-11-01