Fucus spiralis Linnaeus
Description: Spiralled Wrack, Fucus spiralis, is the uppermost species of Fucus that occurs on the shore. The frond lacks bladders (Fucus vesiculosus) and does not have a serrated edge (Fucus serratus); it is sometimes spiralled. However, the defining character is a sterile rim around the receptacles. Beware, however, many hybrids, particularly with Fucus vesiculosus and Fucus ceranoides, particularly on diturbed or recently disturbed shores.
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Books
An Irish Seaweed Kitchen - Prannie Rhatigan.
New Seaweed Recipies - with an Irish twist.
€35
Meeresalgen - Wolfram Braun.
Colour identification guide to seaweeds of the World.
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