Neomammillaria hamiltonhoytea Bravo in Anales Inst. Biol. Univ. Nac. México 2: 130. 1931
Neomammillaria hamiltonhoytea in Anales Inst. Biol. Univ. Nac. México 2: 130. 1931
is new combination for Neomammillaria hamiltonhoytiae in Anales Inst. Biol. Univ. Nac. México 2: 130. 1931