This Closterium has two s with two pyrenoids each, the at the center of the cell huddled against a , and the characteristic fine grits in the s at both apexes and (a very special feature) the central .
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.
For permission to use of (high-resolution) images please contact postmaster@protisten.de.
Wolfgang Bettighofer, www.protisten.de.