Hustedt-Diatom-Collection
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100,000 microscope slides.
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50,000 preserved samples (dry/in liquid).
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9,000 scientific publications and reprints.
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Hundreds of type specimens (physical reference material for original species descriptions).
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Material from historical expeditions (e.g., the Gauss Antarctic Expedition 1901–1903; Fridtjof Nansen’s Arctic voyages 1893–1896).
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7,000 hand-drawn diatom illustrations by Friedrich Hustedt.