Cosmarium pankakoskiiforme, is currently only known from Loch na Gearrachan, North Uist, Outer Hebrides. In size and morphology, there are some similarities with C. taxichondriforme Eichler & Gutwiński 1894, however it has two pyrenoids per semicell and a different ecology. There are a number of other taxa which may be closely related or possibly synonymous, but a new name has been chosen to avoid further taxonomic confusion.

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Desmidiologische Mededelingen

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C. Johnson. (2024). Description of a new desmid species, Cosmarium pankakoskiiforme, from the Outer Hebrides, Scotland, UK. Desmidiologische Mededelingen, 12, 5–9.