Mammillaria pseudocrucigera R.T.Craig, Mammill. Handb.: 101. 1945
Mammillaria pseudocrucigera, Mammill. Handb.: 101. 1945
is basionym for Mammillaria formosa subsp. pseudocrucigera, Mammillaria Postscripts 6: 10. 1997
Mammillaria pseudocrucigera, Mammill. Handb.: 101. 1945
Taxon for this name