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Keywords from Image Description:
Mam crucigera pm Tafel. Mammillaria crucigera Nova Acta PhysicoMedica Academiae Caesareae LeopoldinoCarolinae Naturae Curiosorum Exhibentia Ephemerides sive Observationes Historias et Experimenta Band Nummer Tafel Martiusbr Mansfeld for the filtred image PDArt Mammillaria crucigera Nova acta physicomedica