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Micrasterias truncata Desmid Species Outer Hebrides

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Phylum: Charophyta   Family: Desmidiaceae

Micrasterias truncata J. Ralfs 1848

First described and illustrated in Ralfs (1848: 75, pl. 8: 4 & 10: 5). West & West (1905: 84) note: “This is one of the most abundant species of the genus, more especially in the Sphagnum-bogs and pools of upland districts.” It has spawned several varieties.
Cell dimensions: L: 95-125 µm; B: 90-115 µm; Is: 20-34 µm; L/B: 1.00-1.15.
Frequently found in acidic mesotrophic waters such as moorland pools and abandoned peat-cuttings.

References: 
Coesel, P.F.M. & Meesters, K.J. (2023 second edition) Desmids of the Lowlands.
Ralfs, J. (1848) The British Desmidieae.
Ruzicka, J. (1981) Die Desmidiaceen Mitteleuropas, Volume 1, Part 2.
West, W. & West, G.S. (1905) A Monograph of the British Desmidiaceae, Volume 2.

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