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12 639918 Mammilloydia candida (Scheidw.) Buxb. [12 639918 Mammilloydia candida (Scheidw.) Buxb.]
K.M. Schumann, M Gürke, F. Vaupel, Bl. Kakt., vol. 3 : t. 169 (1910) [J. Pohl]
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