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