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Keywords from Image Description:
Schoenus spp Sturm. Schwarzes Knopfgras Schoenus nigricans br Braunes Knopfgras Schoenus ferrugineus Figure from Deutschlands Flora in Abbildungen at biolib de Johann Georg Sturm Painter Jacob Sturm PDold Uploaded with Schoenus ferrugineus botanical illustrations Schoenus nigricans botanical illustrations Deutschlands Flora