Mammillaria bombycina Quehl [ Neomammillaria bombycina (Quehl) Britton & Rose]
      
no HD illustration available (m3)
6 638693 Mammillaria bombycina Quehl Cactaceae
N.L. Britton, J.N. Rose, Cact., vol. 4 : t. 15 (1923) [M.E. Eaton]