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12 278380 Coryphantha clavata (Scheidw.) Backeb. [12 278380 Coryphantha clavata (Scheidw.) Backeb.]
K.M. Schumann, M Gürke, F. Vaupel, Bl. Kakt., vol. 1 : t. 7 (1900) [Toni Gürke]
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