Mammillaria centricirrha var. schmidtii (Sencke ex Rümpler) Schelle, Handb. Kakteenkult.: 267. 1907
Mammillaria centricirrha var. schmidtii, Handb. Kakteenkult.: 267. 1907
is new combination for Mammillaria schmidtii, Handb. Cacteenk., ed. 2: 376. 1885