|RHODOPHYTA : GIGARTINALES : Gigartinaceae||RED ALGAE|
Description: Grows from a discoid holdfast forming erect fronds to a maximum of 20 cms long. Flattened and dichotomously branching 3 or 4 times in fan-like manner. Very variable.
Habitat: Very common. Epilithic in midlittoral rock pools into the sublittoral to 24 m.
Distribution: Widespread around the British Isles including the Shetlands. Europe: Azores, Portugal, Spain, France, Netherlands, Norway and Iceland. Atlantic coast of North America: Canada and the United States from Maine to Delaware.
Similar Species: Mastocarpus stellatus has a channelled frond and reproduces with cystocarps which arise as short papillae.
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: JNCC MNCR Seasearch data - Grid map : Interactive map : 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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