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Docidium undulatum Desmid Species Outer Hebrides

Alage Outer Hebrides logo  Algae Outer Hebrides

Phylum: Charophyta   Family: Desmidiaceae

Docidium undulatum W.J. Bailey 1851

First described and illustrated by Bailey (1851: 36, pl. I: 2) from south-eastern States of North America. West & West (1904: 194) record it for Harris in the Outer Hebrides.
Cell dimensions: L: 200-250 µm; B: 12-16 µm; L/B: 12-18.
A rare species largely confined to the Atlantic north-west in Europe. Found in acidic moorland pools, lochans and disused peat-cuttings.

Bailey, J.W. (1851) Microscopical observations made in South Carolina, Georgia and Florida.
Coesel, P.F.M. & Meesters, K.J. (2023 second edition) Desmids of the Lowlands.
Ruzicka, J. (1977) Die Desmidiaceen Mitteleuropas, Volume 1, Part 1.
West, W. & West, G.S. (1904) A Monograph of the British Desmidiaceae, Volume 1.