Colony lump of S. uvella which are mushroom shaped growing up upon Sphagnum lamellae. The diameter of the colony at the center of the picture sizes 2mm.
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.