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Closterium baillyanum </em>var.<em> alpinum Desmid Species Outer Hebrides

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Phylum: Charophyta   Family: Closteriaceae

Closterium baillyanum var. alpinum  (Viret) Grönblad 1919

It differs from the nominate variety in being narrower; however, there is considerable overlap with the dimensions, perhaps suggesting this taxon is not justified. It enjoys the same habitat as the nominate variety.

Grönblad, R. (1919) Observationes criticae quas ad cognoscenda Closterium didymocytum Closterium baillyanum De-Bréb. proposuit.
Brook, A.J. & Williamson, D.B. (2010) A Monograph on some British Desmids.
Coesel, P.F.M. & Meesters, K.J. (2007) Mesotaeniaceae and Desmidiaceae of the European Lowlands.