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Mammillaria Haw. ex A. Gray [206]
E. Step, D. Bois, Favourite Fl., vol. 2 : t. 116, fig. B (1896-1897) [D.G.J.M. Bois] [82]
drawing: D.G.J.M. Bois [322]
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Mammillaria xxx - Cactaceae
E. Step, D. Bois, Favourite Fl., vol. 2 : t. 116, fig. B (1896-1897) [D.G.J.M. Bois]