Mammillaria karwinskiana Mart. [ Neomammillaria confusa Britton & Rose]
      
no HD illustration available (m3)
12 639186 Mammillaria karwinskiana Mart. Cactaceae
N.L. Britton, J.N. Rose, Cact., vol. 4 : t. 5 (1923) [M.E. Eaton]