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Miranda do Douro, Bragana, Portugal
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Rancho de la Herradura, Andalusia, Spain
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Estella/Lizarra, Navarre, Spain
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Ribadelago de Franco, Castille and Leon, Spain
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Ribadelago de Franco, Castilla y Len, Espaa
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Grove, O, Galicia, Spain
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Caada del Hoyo, Castilla-La Mancha, Espaa
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Pera, Faro, Portugal
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Soba, Cantabria, Spain
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San Martin De Castaneda, Castille and Leon, Spain
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Nitzschia sigmoidea.Detail: Apex in cingular view, displaying cingulum (central strae and the two canal raphes on the edges. Scale bar indicates 25 m.Sample from a wetland at the Pillersee (Tyrol, Austria). The image was built up using several photomicrographic frames with manual stacking technique. Images were taken using Zeiss Universal with Olympus C7070 CCD camera.For more look at
www.protisten.de/english/gallery_main/gallery_main.htmlFor high-resolution images please ask postmaster@protisten.de.
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Madrid, Madrid, Spain
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Miranda do Douro, Bragana, Portugal
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Ribadelago de Franco, Castille and Leon, Spain
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Laspuna, Aragon, Spain
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Madrid, Comunidad de Madrid, Espaa
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Grove, O, Galicia, Spain
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Santa Cruz de la Sierra, Extremadura, Spain
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Casas de la Dehesilla, Madrid, Spain
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Lumbreras, La Rioja, Spain
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Ajamil, La Rioja, Spain
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Ontgola, Castile-La Mancha, Spain
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Alporchinhos, Faro, Portugal
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Ribadelago, Castille and Leon, Spain