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 Halarachnion ligulatum
Halarachnion ligulatum
Medullar cells and multiple outer layersPhoto: © Vivian Husa

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Recent photos

Photo of Prasiola stipitata
Prasiola stipitata
Photo: © Kjersti Sjøtun
Published 2023-12-07
Photo of Prasiola stipitata
Prasiola stipitata
Photo: © Kjersti Sjøtun
Published 2023-12-07
Photo of Ulva compressa
Ulva compressa
Photo: © Kjersti Sjøtun
Published 2023-11-26
Photo of Ulva compressa
Ulva compressa
Photo: © Kjersti Sjøtun
Published 2023-11-26
Photo of Giraudia sphacelarioides
Giraudia sphacelarioides
Photo: © Kjersti Sjøtun
Published 2023-03-08
Photo of Giraudia sphacelarioides
Giraudia sphacelarioides
Photo: © Kjersti Sjøtun
Published 2023-03-08
Photo of Ochlochaete hystrix
Ochlochaete hystrix
Photo: © Franz Goecke
Published 2023-02-24
Photo of Ochlochaete hystrix
Ochlochaete hystrix
Photo: © Franz Goecke
Published 2023-02-24
Photo of Vertebrata lanosa
Vertebrata lanosa
Photo: © Kjersti Sjøtun
Published 2023-02-14
Photo of Vertebrata lanosa
Vertebrata lanosa
Photo: © Kjersti Sjøtun
Published 2023-02-06
Photo of Helminthora divaricata
Helminthora divaricata
Photo: © Janne Kim Gitmark
Published 2022-11-28
Photo of Helminthora divaricata
Helminthora divaricata
Photo: © Janne Kim Gitmark
Published 2022-11-28