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Coelastrum astroideum (De Notaris 1867). Collected from freshwater aquaculture tub near Boise, Idaho December 2005. Brightfield.
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Scenedesmus (sken-ee-des-mus) a common non-flagellated chlorophyte alga. Like all chlorophytes, Scenedesmus has a cell wall made of cellulose. The genus is comprised of species, all of which have clusters of four cells with spines emerging from the termini. Plastids with chlorophylls a and b and giving them a bright green colour. Differential interference contrast.
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Colony of green algae in thick mucilaginous envelope. Scale bar indicates 25 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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Coelastrum astroideum (De Notaris 1867). Collected from freshwater aquaculture tub near Boise, Idaho December 2005.
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Scale bar indicates 10 µm. Sample from Lake Constance in the vicinity of Bodman. The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Universal with Olympus C7070 CCD camera.Image under Creative Commons License V 3.0 (CC BY-NC-SA).
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