Mammillaria heyderi subsp. gaumeri (Britton & Rose) D.R.Hunt, Mammillaria Postscripts 6: 10. 1997
Mammillaria heyderi subsp. gaumeri, Mammillaria Postscripts 6: 10. 1997
is new combination for Neomammillaria gaumeri, Cactaceae 4: 72–73. 1923
Mammillaria heyderi subsp. gaumeri, Mammillaria Postscripts 6: 10. 1997