Neomammillaria karwinskiana (Mart.) Britton & Rose, Cactaceae 4: 95–96. 1923
Neomammillaria karwinskiana, Cactaceae 4: 95–96. 1923
is new combination for Mammillaria karwinskiana in Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 16(1): 335, pl. 22. 1832