In the herbarium in Kiel type material of Cladoslephus setaceus Suhr was located. From comparison with type material of Cladostephus hedwigioides Bory it became evident that they are conspecific. The type of C. setaceus originated from Greece, not from Chile. Cladostephus hedwigioides is tentatively included in C. spongiosus as a forma. All other European material of Cladostephus also consist of forms of C. spongiosus.

Blumea: Biodiversity, Evolution and Biogeography of Plants

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Naturalis journals & series

Prud’homme van Reine, W. F. (1972). Notes on Sphacelariales (Phaeophyceae) II. On the identity of Cladostephus setaceus Suhr and remarks on European Cladostephus. Blumea: Biodiversity, Evolution and Biogeography of Plants, 20(1), 139–144.