Mammillaria eriacantha Link & Otto ex Pfeiff.
      
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2 638945 Mammillaria eriacantha Link & Otto ex Pfeiff. Cactaceae
L.K.G. Pfeiffer, F. Otto, Abbild. Beschr. Cact. (Coloured version), vol. 1 : p. 25, t. 25 (1839)