Neomammillaria polyedra (Mart.) Britton & Rose, Cactaceae 4: 102–103, f. 101, f. 5. 1923

is new combination for Mammillaria polyedra Mart. in Nov. Actorum Acad. Caes. Leop.-Carol. German. Nat. Cur. 16(1): 326, pl. 18. 1832

Taxon for this name