Phylum: Charophyta   Family: Desmidiaceae

Euastrum cuneatum Jenner 1848

Generally a scarce species but can be locally abundant in submerged Sphagnum. Probably a north-western distribution in Britain where this habitat is most common.

References: 
West, W. & West, G.S. (1905) A Monograph of the British Desmidiaceae, Volume 2.
Ružicka, J. (1981) Die Desmidiaceen Mitteleuropas, Volume 1, Part 2.
John, D.M. & Williamson, D.B. (2009) A Practical Guide to the Desmids of the West of Ireland.
Prescott, W.G., et al. (2001 reprint) A Synopsis of North American Desmids. Part II, Desmidiaceae: Placodermae, Section 2.