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End view Staurastrum dilatatum (Ehrenberg,1838) Ralfs, 1848.The four-armed semi-cells are rotated 45 degrees with respect to each other.From freshwater aquaculture tub near Boise, Idaho December 2005. DIC.
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Staurastrum capitulum is a smal desmid with an acanthous cell wall. With its rotational symmetry the surface structure is not easy to capture with photos. Depth of focus technique was used for the attempt. Sample from spagnum 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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Melgar de Tera, Castille and Leon, Spain
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Ribadelago de Franco, Castilla y Len, Espaa
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Ribadelago de Franco, Castille and Leon, Spain
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Galende, Castille and Leon, Spain
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Santa Cruz de la Sierra, Extremadura, Spain
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Miranda do Douro Municipality, Braganca, Portugal
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San Martin De Castaneda, Castille and Leon, Spain
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Ribadelago de Franco, Castille and Leon, Spain
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Galende, Castilla y Len, Espaa
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San Martn de Castaeda, Castilla y Len, Espaa
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Ribadelago de Franco, Castille and Leon, Spain
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Vitoria, Basque Country, Spain
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, Andaluca, Espaa
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Ribadelago, Castille and Leon, Spain
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Lumbreras, La Rioja, Spain
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Matalebreras, Castille and Leon, Spain
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Candanchu, Aragon, Spain
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San Martin De Castaneda, Castille and Leon, Spain
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This tiny desmid has a strongly developed 3-dimensional structure. In order to capture this the multi layer image (DOF) was built up using 7 DIC frames with manual stacking technique using Corel Photopaint. The scale bar indicates 50 µm. Sample from a pond on the island of Hiddensee (Baltic Sea, Germany). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.
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Ribadelago de Franco, Castilla y Len, Espaa
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Miranda do Douro Municipality, Braganca, Portugal
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Ribadelago de Franco, Castille and Leon, Spain