Neomammillaria polygona (Salm-Dyck) Britton & Rose, Cactaceae 4: 101–102. 1923
Neomammillaria polygona, Cactaceae 4: 101–102. 1923
is new combination for Mammillaria polygona, Cact. Hort. Dyck., ed. 1849: 120. 1850
Neomammillaria polygona, Cactaceae 4: 101–102. 1923
Taxon for this name