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Sklerenchymzelle aus Knolle Dahlia variabilis. Querschnitt einer Sklerenchymzelle aus der Knolle von Dahlia variabilis Zellhhlung Tpfelkanle sp Sprung im Schichtensystem Julius Sachs Vorlesungen ber Pflanzenphysiologie zweite Auflage Leipzig Julius Sachs PDArt Dahlia pinnata Sclerenchyma
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