Mammillaria elegans var. dealbata (A.Dietr.) Borg, Cacti, ed. 1: 336. 1937 Mammillaria elegans var. dealbata (A.Dietr.) Borg, Cacti, ed. 1: 336. 1937is new combination for Mammillaria dealbata A.Dietr. in Allg. Gartenzeitung 14: 309. 1846Taxon for this nameMammillaria elegans var. dealbata (A.Dietr.) Borg