Neomammillaria bombycina (Quehl) Britton & Rose, Cactaceae 4: 161. 1923 Neomammillaria bombycina (Quehl) Britton & Rose, Cactaceae 4: 161. 1923is new combination for Mammillaria bombycina Quehl in Monatsschr. Kakteenk. 20: 149. 1910Taxon for this nameNeomammillaria bombycina (Quehl) Britton & Rose