Escobariopsis prolifera subsp. arachnoidea (D.R.Hunt) Doweld in Sukkulenty 3: 41. 2000
Escobariopsis prolifera subsp. arachnoidea in Sukkulenty 3: 41. 2000
is new combination for Mammillaria prolifera var. arachnoidea in Cact. Succ. J. Gr. Brit. 40(1): 11. 1978