Neomammillaria ritteriana (Boed.) Y.Itô, Cactaceae: 585. 1981
Neomammillaria ritteriana, Cactaceae: 585. 1981
is new combination for Mammillaria ritteriana in Monatsschr. Deutsch. Kakteen-Ges. 1: 173. 1929
Neomammillaria ritteriana, Cactaceae: 585. 1981
Taxon for this name