Mammillaria prolifera subsp. arachnoidea (D.R.Hunt) D.R.Hunt, Mammillaria Postscripts 6: 6. 1997
Mammillaria prolifera subsp. arachnoidea, Mammillaria Postscripts 6: 6. 1997
is new combination for Mammillaria prolifera var. arachnoidea in Cact. Succ. J. Gr. Brit. 40(1): 11. 1978
Mammillaria prolifera subsp. arachnoidea, Mammillaria Postscripts 6: 6. 1997