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Laminaria hyperborea
''Laminaria hyperborea'' is a species of large brown alga, a kelp in the family Laminariaceae, also known by the common names of tangle and cuvie. It is found in the sublittoral zone of the northern Atlantic Ocean. A variety, ''Laminaria hyperborea f. cucullata'' (P.Svensden & J.M.Kain, 1971) is known from more wave sheltered areas in Scandinavia.〔Athanasiadis, A. (1996). Taxonomisk litteratur och biogeografi av Skandinaviska rödalger och brunalger. pp. 280. Göteborg: Algologia.〕
==Description==
''Laminaria hyperborea'' is a massive, leathery seaweed. The holdfast is large and cone-shaped, with branched rhizoids, looking rather like a bird's foot. The stipe is circular in cross section, rough, thick at the base and tapering upwards. Older stipes are often covered with epiphytic red algae. The laminate blade is yellowish brown with large digitate segments.〔(''Laminaria hyperborea'' (Gunnerus) Foslie ) The Seaweed Site. Retrieved 2011-09-22.〕 It is a long-lived species and has been recorded as surviving for 15 years.
''Laminaria hyperborea'' can be distinguished from the rather similar ''L. digitata'' by being paler in colour and having a longer stipe which snaps when it is bent sharply.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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