Order: Sphacelariales
Systematics :
| Kingdom | Det gule riket (Chromista) | |||||||
| Phylum | Ochrophyta | |||||||
| Division | Brown algae (Phaeophyta) | |||||||
| Klasse | Brunalgar (Phaeophyceae) | |||||||
| Order | Sphacelariales | |||||||
| Family | Cladostephaceae | |||||||
| Genus | Cladostephus | |||||||
| Species | Piperenseralge (Cladostephus spongiosus) | |||||||
| Family | Sphacelariaceae | |||||||
| Genus | Tufs (Sphacelaria) | |||||||
| Species | Bruntufs (Sphacelaria cirrosa) | |||||||
| Species | Fjærtufs (Sphacelaria plumosa) | |||||||
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