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Atlas der Alpenflora . ' ' Sempervivum Wulfeni Hoppe Wulfen's Hauswurz Schweiz bis Steiermark trockene Stellen auf Urgestein JuniAugust Pl Illustration biodiversitylibrary org title Dalla Torre von Deutscher Alpenverein Founded Hartinger Anton NameFound Sempervivum NameConfirmed Sempervivum EOLID NameBankID Biodiversity