Mammillaria longimamma f. hexacentra (Otto) Schelle, Handb. Kakteenkult.: 245. 1907
Mammillaria longimamma f. hexacentra, Handb. Kakteenkult.: 245. 1907
is new combination for Mammillaria hexacentra, Handb. Cacteenk.: 183. 1846
Mammillaria longimamma f. hexacentra, Handb. Kakteenkult.: 245. 1907
Taxon for this name