Heterosiphonia plumosa (Ellis) Batters

Heterosiphonia plumosa

Description: Thallus erect to 30 cms polysiphonous with 9-10 periaxial cells. Branched irregularly in one plane irregularly alternate. Ultimate ramuli monosiphonous and formed in "pincer-like" pairs.

Habitat: Epilithic in low littoral rock pools and sublittoral to 33 m.

Distribution: Widely distributed around the British Isles including the Shetlands and the Channel Islands. Europe: Portugal, Spain, France, the Baltic and Norway.

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

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