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The investigations performed by direct microscopy method or bait technique (fragments of plants, cellophane, snake skin) using rain water flowing from trees, different types of roofs and melting snow and ice allowed determination of 146 species including 55 new to Poland. Aero-aquatic species were predominant and only several belonged to typically aquatic Hyphomycetes.
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Czeczuga et al. (2014) studied this question.
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