Neomammillaria schelhasei (Pfeiff.) Britton & Rose [ Mammillaria schelhasei Pfeiff.]
      
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6 695862 Neomammillaria schelhasei (Pfeiff.) Britton & Rose [125 639680 Mammillaria schelhasei Pfeiff.] Cactaceae
E.A. von Regel, Gartenflora, vol. 6 : t. 207 (1857)