Fucus guiryi

Fucus guiryi is a brown alga in the family Fucaceae. It is known from numerous locations along the east coast of the North Atlantic Ocean, from Ireland to the Canary Islands.[1]

Fucus guiryi
Scientific classification
Kingdom: Chromista
Phylum: Ochrophyta
Class: Phaeophyceae
Order: Fucales
Family: Fucaceae
Genus: Fucus
Species:
F. guiryi
Binomial name
Fucus guiryi
G.I.Zardi, K.R.Nicastro, E.S.Serrão & G.A.Pearson

Species is named in honor of Irish botanist Michael D. Guiry.

Description

The thallus grows to 35 cm long - smaller than other similar species, it is attached by a discoid holdfast. The thallus is flattened and has a midrib like the other common species of Fucus. However it does not have bladders, as Fucus vesiculosus, or serrated edges to the fronds as Fucus serratus nor a twisted thallus, as Fucus spiralis. Fucus ceranoides does not have bladders but may have elongated air pockets in the fronds. The receptacles on F. guiryi show a distinct rim around the edge.[2]

Habitat

Found growing on rock in the upper mid-littoral.[2]

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References
  1. Algaebase, Fucus guiryi
  2. Bunker, F.StP,D, Maggs, C.A., Brodie, J.A., Bunker, A.R. 2017. Seaweeds of Britain and Ireland. Second Edition. Wild Nature Press, Plymouth ISBN 978-0-9955673-3-7
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