Mammillaria elongata f. tenuis (DC.) Schelle, Handb. Kakteenkult.: 247. 1907
Mammillaria elongata f. tenuis, Handb. Kakteenkult.: 247. 1907
is new combination for Mammillaria tenuis in Mém. Mus. Hist. Nat. 17: 110. 1828
Mammillaria elongata f. tenuis, Handb. Kakteenkult.: 247. 1907
Taxon for this name