Phylum: Euglenophta Family: Euglenaceae
Phacus pleuronectes (O.F. Müller) Nitzsch ex Dujardin, 1841
Thought to be widespread in ditches, lakes and lochs
Determiner:
Chris Johnson
References:
John, Whitton & Brook (2011) - The Freshwater Algal Flora of the British Isles