CHROMOPHYTA : SPHACELARIALES : StypocaulaceaeBROWN ALGAE

Halopteris filicina (Grateloup) Kützing


Description: A small alga up to 10 cms long. Central axis surrounded by a cortex with alternately branched pinnate thalli. Very bushy and rigid.

Habitat: Epilithic and epiphytic in shaded pools of the low littoral and in the sublittoral to 20 m.

Distribution: Recorded from almost all shores of the British Isles but mainly western from the Shetlands to the Channel Islands. Europe: Mediterranean, Azores, Portugal, Atlantic coasts of Spain and France. Further afield: Morocco, Madeira, Salvage Islands, the Canary Islands, Japan, South Africa, Oman and New Zealand.

Similar Species: Sphacelaria plumosa and Stypocaulon scoparium.

Key Identification Features:

Distribution Map from BioMar data for Ireland - Google Earth map:  download this placemark (not got Google Earth installed?)

Distribution Map from NBN: Grid map (fast) : Interactive map (slow, requires login to view records) : National Biodiversity Network mapping facility, data for UK.


 Morton, O. & Picton, B.E., 2010. [In] Encyclopedia of Marine Life of Britain and Ireland
http://www.habitas.org.uk/marinelife/species.asp?item=ZR4320

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