RHODOPHYTA : Stylonematales : StylonemataceaeRED ALGAE

Stylonema cornu-cervi Reinsch


Description: Microscopic or very small. Filaments less than 1mm long irregularly dichotomously branched, of two or more rows of cells.

Habitat: Rare. Sublittoral

Distribution: England: Devon. Europe: Mediterranean, Atlantic coasts of Spain and France. Further afield: Canary Islands, Pacific Ocean from British Columbia to California and Peru.

Similar Species: Stylonema alsidii (Zanardini) K.M. Drew is distinguished having single cell rows.

Distribution Map from NBN: Stylonema cornu-cervi at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Stylonema cornu-cervi at iNaturalist World Species Observations database.

WoRMS: Stylonema cornu-cervi at World Register of Marine Species.

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 Morton, O., Keatley, L., Morrow, C.C. & Picton, B.E. (2026). Stylonema cornu-cervi. Reinsch. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://habitas.org/mbdp/species.php?item=ZM300. Accessed on 2026-11-01