Family: Cactaceae
[Mammillaria alamensis R.T.Craig, more..., Mammillaria gueldemanniana Backeb., Mammillaria guirocobensis R.T.Craig, Mammillaria inaiae R.T.Craig, Mammillaria marnieriana Backeb., Mammillaria milleri var. sheldonii (Britton & Rose) T.Neutelings, Mammillaria sheldonii Boed. in Boed., Mammillaria swinglei Boed. in Boed.]
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