Plumaria plumosa
Systematics :
Kingdom: Plantae
Phylum: Red algae (Rhodophyta)
Class: Red algae (Rhodophyceae)
Subclass: Florideophycidae
Order: Ceramiales
Family: Ceramiaceae
Genus: Plumaria
Species: Plumaria plumosa
Other names: fagerfjør
Norwegian name: Fagerfjær