Neomammillaria gaumeri Britton & Rose, Cactaceae 4: 72–73. 1923
Neomammillaria gaumeri, Cactaceae 4: 72–73. 1923
is basionym for Mammillaria heyderi subsp. gaumeri, Mammillaria Postscripts 6: 10. 1997
is basionym for Mammillaria gaumeri in Cactography 7. 1926