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Polygonum hydropiper Linne. Erstbeschreibung von Polygonum hydropipers in Carl von Linns Species Plantarum Band Seite Botanicus br original text Ixitixel de br original text Carl von Linns Januar PDold original upload log page de PolygonumhydropiperLinne Ixitixel bytes no Information Erstbeschreibung von Polygonum