Mammillaria neomexicana (Engelm.) A.Nelson, New Man. Bot. Centr. Rocky Mt.: 327. 1909
Mammillaria neomexicana, New Man. Bot. Centr. Rocky Mt.: 327. 1909
is new combination for Mammillaria vivipara subvar. neomexicana in Proc. Amer. Acad. Arts 3: 269. 1856