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Atlas der Alpenflora . Draba Thomasii Koch Thoma's Hungerblmchen Schweiz und Tirol trockene Stellen Mai Juni Plate Illustration biodiversitylibrary org title Dalla Torre von Deutscher Alpenverein Founded Hartinger Anton NameFound Draba NameConfirmed Draba EOLID Biodiversity Heritage Library Atlas der Alpenflora