Bladder wrack (Fucus vesiculosus) close up

Superdomain: Neomura

Domain: Eukaryota

(unranked) Bikonta

Subkingdom: Corticata

Kingdom: Chromalveolata

Superphylum: Heterokonta

Phylum: Ochrophyta

Class: Phaeophyceae

Order: Fucales

Family: Fucaceae

Genus: Fucus

Species: F. vesiculosus

Done