Mammillaria saboae f. haudeana (A.B.Lau & K.Wagner) D.R.Hunt in Cact. Succ. J. Gr. Brit. 41(4): 97. 1979
Mammillaria saboae f. haudeana in Cact. Succ. J. Gr. Brit. 41(4): 97. 1979
is new combination for Mammillaria haudeana in Kakteen And. Sukk. 29(11): 253. 1978