A very special view on Micrasterias rotata using an inverted microscope. The cell ist standing perpendicular upon its apical lobe. Like all the desmids Micrasterias can move using mucilage for backstroke. They move towards the light. When it´s dark they erect with help of mucilage ejection. The indicates 100 µm.
Sample from sphagnum pond situated in the northern alpine region of Austria near Salzburg. Images were taken using Zeiss Universal with Olympus C7070 CCD camera.
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Wolfgang Bettighofer, www.protisten.de.