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Bladder wrack

Bladder wrack
Typical classification
Kingdom:Protista
Division:Heterokontophyta
Class:Phaeophyceae
Order:Fucales
Family:Fucaceae
Genus:Fucus
Species:F. vesiculosus
Bladder wrack is a sepecies of brown alga, given the Latin name Fucus vesiculosus. It is common in intertidal zones and forms colonies, with fronds up to 2 metres in length. It has been used as a source of iodine.