Mammillaria elegans var. nigrispina Borg, Cacti, ed. 1: 336. 1937
Mammillaria elegans var. nigrispina, Cacti, ed. 1: 336. 1937
is basionym for Neomammillaria neoelegans var. nigrispina, Cactaceae: 583. 1981
Mammillaria elegans var. nigrispina, Cacti, ed. 1: 336. 1937
Taxon for this name