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Mammillaria Haw. ex A. Gray [206]
B. Maund, Bot. Gard., vol. 12 (tt. 265-288): t. 266, fig. 2 (1825-1826) [96]
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Cactus ackermannii x speciosissimus - Cactaceae
B. Maund, Bot. Gard., vol. 12 (tt. 265-288): t. 266, fig. 2 (1825-1826)