The lakes, ponds, and wetlands in the northern Washington state (USA) and southwestern British Columbia (Canada) contain a diverse, yet under-studied desmid flora. Samples collected from six sites revealed three taxa that are newly described: Cosmarium methowense, Planotaenium tortitaenioides, and Pleurotaenium subnodulosum.

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Desmidiologische Mededelingen

CC BY 4.0 NL ("Naamsvermelding")

Nederlandse Sieralgenwerkgroep

R. Matthews, & P.F.M. Coesel. (2025). Some new and interesting desmids (Streptophyta, Desmidiales) from the northern USA. Desmidiologische Mededelingen, 14, 7–11.