Mammillaria gueldemanniana var. guirocobensis (R.T.Craig) Backeb., Cactaceae 5: 3336. 1961
Mammillaria gueldemanniana var. guirocobensis, Cactaceae 5: 3336. 1961
is new combination for Mammillaria guirocobensis, Mammill. Handb.: 200, f. 201. 1945
Mammillaria gueldemanniana var. guirocobensis, Cactaceae 5: 3336. 1961
Taxon for this name