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Cosmarium pachydermum var. aethiopicum Desmid Species Outer Hebrides

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Phylum: Charophyta   Family: Desmidiaceae

Cosmarium pachydermum var. aethiopicum  (West & G.S. West) West & G.S. West

From the limited data available, this variety has smaller dimensions and a more rounded silhouette than the nominate. The Wests (1905) note that the cell-wall is much thinner. Found in boggy areas but not common

References: 
John, D.M. & Williamson, D.B. (2009) A Practical Guide to the Desmids of the West of Ireland
West, W. & West, G.S. (1905) A Monograph of the British Desmidiaceae, Volume 2
Coesel, P.F.M. & Meesters, K.J. (2007) Mesotaeniaceae and Desmidiaceae of the European Lowlands

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