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Jan&paul: Plumatella repens
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Jan&paul: Actinosphaerium eichhorni
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Jan&paul: Canthocamptus staphylinus
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Jan&paul: Chlorohydra viridissima
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Jan&paul: Ceratium hirundinella
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Jan&paul: Fragillaria crotonensis
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Jan&paul: Cymbella sp.
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Jan&paul: Micrasterias americana
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Jan&paul: Daphnia cucullata
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Jan&paul: Tabellaria flocculosa
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Jan&paul: Pediastrum duplex
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Jan&paul: Image5_22
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Jan&paul: Fragilaria crotonensis
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Jan&paul: Volvox globator
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Jan&paul: Utricularia sp.
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Jan&paul: Zoothamnium
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Jan&paul: roti2
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Jan&paul: Chlorohydra viridissima
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Jan&paul: PICT0103
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Jan&paul: Image1c
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Jan&paul: Closterium Ehrenbergii
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Jan&paul: Image4_19c
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Jan&paul: Euglena
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Jan&paul: Dictyocha spp. (silicoflagellates)
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Jan&paul: diatom 2
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Jan&paul: Schröderella Schröderi
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Jan&paul: Asterionella formosa
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Jan&paul: Spirogyra
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Jan&paul: Micrasterias americana
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Jan&paul: Asellus aquaticus