Neomammillaria polycentra var. rubens (Salm-Dyck) Y.Itô, Cactaceae: 599. 1981 Neomammillaria polycentra var. rubens (Salm-Dyck) Y.Itô, Cactaceae: 599. 1981is new combination for Mammillaria spinosissima var. rubens Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 8. 1850Taxon for this nameNeomammillaria polycentra var. rubens (Salm-Dyck) Y.Itô