|CHROMOPHYTA : LAMINARIALES : Laminariaceae||BROWN ALGAE|
Description: Thallus up to 4 m long, attached to rock by strong terete stipe and haptera. Long leathery blade, unbranched and without a midrib about 15 cms wide, flat but wrinkly with wavy margins.
Habitat: Common and abundant. In low littoral rock pools and the sublittoral to below 20 m.
Distribution: Widespread all around the shores of the British Isles from the Shetlands to the Channel Islands. Europe: Portugal, Atlantic coasts of Spain and France, Netherlands, Helgoland, Baltic Sea, Norway, Sweden, Faroes, Jan Mayen and Bjornoya, Spitzbergen and Iceland. Greenland. Atlantic coast of North America: Canada, Maine, New Hampshire, Rhode Island, Connetricut and Long Island, Pacific coast of North America fron Alaska to California.
Similar Species: Alaria esculenta has a midrib.
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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