Mammillaria tuberculata
Placement status: name or taxon excluded (unspecific) (The correct epithet is "tuberculosa". The name published with this epithet at the place cited is a later citation of the same name publihsed by Engelmann in Proc. Amer. Acad. Arts 3: 268. 1856.)
Mammillaria tuberculata, Syn. Cact. U.S.: 12. 1856 sec. Hunt 20061