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Gonatozygon (go-nat-owes-eye-gone) brebissonii. Cells are mostly elongated and cylindrical and slightly bent. The apices are swollen and rounded. The nucleus is located centrally. The cell wall may be covered with dots, granules or short spines. Each semi-cell contains a single, ribbon-like chloroplast with many aligned pyrenoids. The chloroplasts may be slightly spiralled and are centrally placed. Cells can be loosely attached together to form a filament. This genus is found in moderate to weakly alkaline waters (pH 6-6.8) in bog ponds or moors. This specimen was collected in freshwater ponds near Konstanz, Germany. The two separated chloroplasts are visible as is the central located nucleus. 200 microns. Differential interference contrast.
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Scale bar indicates 100 µm.Sample from the pond Hegne Moor situated in the vicinity of Lake Constance. 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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Ribadelago de Franco, Castille and Leon, Spain
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Mahide, Castille and Leon, Spain
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Covaleda, Castille and Leon, Spain
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Zoom-in to the center of the cell with nucleus, chloroplasts with pyrenoids. Scale bar indicates 25 µm.Sample from the pond Hegne Moor situated in the vicinity of Lake Constance. 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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