Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Phaeista
Limnista
Fucistia
Phaeophyceae (Phaeophyta)
Fucophycidae
Fucales
Sargassaceae
Cystoseira
Cystoseira spinosa (21159713)
Children (2 direct children, 2 direct and indirect children):
Cystoseira spinosa var. compressa
Cystoseira spinosa var. tenuior