Unicellar desmid. The depht of focus picture shows a cell with stelloid chloroplasts and abundance of lipid droplets (energy store). Image generated from 11 shots using CombineZ by Alan Hadley, MicroPicS by Bernhard Wiedemann and Photoshop.
Sample from sphagnum pond Dosenmoor near Neumuenster (Schleswig-Holstein, Germany). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.
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Wolfgang Bettighofer, www.protisten.de.