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xx 278459 Coryphantha macromeris (Engelm.) Britton & Rose (Engelm.) Britton & Rose [Mammillaria macromeris Engelm.]
C.F. Förster, T. Rümpler, Handb. Cacteenk., ed. 2, vol. 1 : p. 399, t. 41 (1886)
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