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Fucus spiralis
Fucus spiralis is olive brown in colour and similar to Fucus vesiculosus and Fucus serratus. It grows to about 30 cms long and branches somewhat irregularly dichotomous and is attached, generally to rock, by a discoid holdfast. The flattened blade has a distinct mid-rib and is usually spirally twisted without a serrated edge, as are to be seen in Fucus serratus, and it does not show air-vesicles, as Fucus vesiculosus.
Rock at the beach
Spotted on Aug 27, 2013
Submitted on Nov 29, 2013
2 Comments
Oops! Thanks Mark
Kingdom: Chromalveolata ?