|RHODOPHYTA : PALMARIALES : Palmariaceae||RED ALGAE|
Description: Growing as a flat blade from a discoid holdfast and dividing into a few broad segments to a maximum length of 50 cm and branching from the margins. Dark brownish-red.
Habitat: Common. Epilithic or epiphytic especially on Laminaria stipes. Lower littoral and sublittoral to about 20 m on all except the most exposed rocky shores.
Distribution: Generally distributed around the British Isles. Europe: Portugal, Atlantic coasts of Spain and France, Baltic Sea, Norway, Faroes, Spitzbergen and Iceland. Greenland. Atlantic coasts of North America: Canada, Maine, New Hampshire, Massachusetts, Rhode Island, Connecticut and New Jersey. Further afield: Arctic Sea from the White Sea and Baffin Bay. Pacific coasts of North America, Alaska to California, Japan and Korea.
Similar Species: Dilsea carnosa is similar but very leathery, usually undivided although older blades may split.
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 |
|Copyright © National Museums of Northern Ireland, 2002-2014|