Norwegian seaweeds

Norway has a rich marine algal flora comprising more than 400 seaweed species. This website contains an updated overview of seaweeds recorded in Norway (see 'Species'), and keys for identifying species (see 'Identification help').

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Photo of Chondria dasyphylla
Chondria dasyphylla
ThallusPhoto: © Narve Brattenborg

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Recent photos

Photo of Protomonostroma undulatum
Protomonostroma undulatum
Photo: © Kjersti Sjøtun
Published 2026-06-02
Photo of Protomonostroma undulatum
Protomonostroma undulatum
Photo: © Kjersti Sjøtun
Published 2026-06-02
Photo of Protomonostroma undulatum
Protomonostroma undulatum
Photo: © Kjersti Sjøtun
Published 2026-06-02
Photo of Protomonostroma undulatum
Protomonostroma undulatum
Photo: © Kjersti Sjøtun
Published 2026-06-02
Photo of Sphacelorbus nanus
Sphacelorbus nanus
Photo: © Kjersti Sjøtun
Published 2026-03-27
Photo of Sphacelorbus nanus
Sphacelorbus nanus
Photo: © Kjersti Sjøtun
Published 2026-03-27
Photo of Sphacelorbus nanus
Sphacelorbus nanus
Photo: © Kjersti Sjøtun
Published 2026-03-27
Photo of Sphacelorbus nanus
Sphacelorbus nanus
Photo: © Kjersti Sjøtun
Published 2026-03-27
Photo of Spongomorpha aeruginosa
Spongomorpha aeruginosa
Photo: © Kjersti Sjøtun
Published 2026-03-24
Photo of Rhodomela lycopodioides
Rhodomela lycopodioides
Photo: © Kjersti Sjøtun
Published 2026-03-19
Photo of Devaleraea ramentacea
Devaleraea ramentacea
Photo: © Kjersti Sjøtun
Published 2026-03-10
Photo of Asperococcus fistulosus
Asperococcus fistulosus
Photo: © Kjersti Sjøtun
Published 2026-02-09