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Keywords from Image Description:
The Cactaceae Plate XI . BRITTON AND ROSE VOL II Top of flowering plant of Pachycerms chrysomallus Natural size Plate XI Illustration biodiversitylibrary org title Britton Nathaniel Lord Rose NameFound Pachycerms chrysomallus NameConfirmed Pachycereus chrysomallus Lem Britton Rose EOLID NameBankID Biodiversity Heritage