Helminthora divaricata (C Agardh) J Agardh

Helminthora divaricata

Description: Gametangial plants are attached by discoid holdfast growing to 25 cms in height, well branched and mucilaginous at least when young. Tetrasporangial plants only known in culture.

Habitat: Epilithic on Polyides rotundus or on gravel, shells etc. Sublittoral to 30 m.

Distribution: Generally south-western in the British Isles, but recorded from Scotland including the Shetlands. Europe: Mediterranean, Atlantic coast of France and Denmark.

Similar Species: Nemalion helminthoides has relatively few branches and Helminthocladia calvadosii.

Key Identification Features:

Distribution Map: NBN map : National Biodiversity Network mapping facility, data for UK.

WoRMS: Species record : World Register of Marine Species.

iNaturalist: Species account : iNaturalist World Species Observations database

 Morton, O. & Picton, B.E. (2016). Helminthora divaricata (C Agardh) J Agardh. [In] Encyclopedia of Marine Life of Britain and Ireland.
https://www.habitas.org.uk/marinelife/species.asp?item=ZM1660 Accessed on 2024-03-01

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