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 Bryopsis hypnoides
Bryopsis hypnoides
Branching patternPhoto: © Kjersti Sjøtun

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Recent photos

Photo of Mastocarpus stellatus
Mastocarpus stellatus
Photo: © Kjersti Sjøtun
Published 2026-07-27
Photo of Saccharina latissima
Saccharina latissima
Photo: © Kjersti Sjøtun
Published 2026-07-27
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