Fucus spiralis Linnaeus

Fucus spiralis

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. This species has recently had another, common species segregated from it, Fucus guiryi. For characters to distinguish the two species, go to the description of this entity.

Fucus spiralis

Species list