Mammillaria formosa subsp. pseudocrucigera (R.T.Craig) D.R.Hunt, Mammillaria Postscripts 6: 10. 1997
Mammillaria formosa subsp. pseudocrucigera, Mammillaria Postscripts 6: 10. 1997
is new combination for Mammillaria pseudocrucigera, Mammill. Handb.: 101. 1945
Mammillaria formosa subsp. pseudocrucigera, Mammillaria Postscripts 6: 10. 1997