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.