Mammillaria melanocentra var. meiacantha (Engelm.) R.T.Craig, Mammill. Handb.: 66. 1945
Mammillaria melanocentra var. meiacantha, Mammill. Handb.: 66. 1945
is new combination for Mammillaria meiacantha in Proc. Amer. Acad. Arts 3: 263. 1856
Mammillaria melanocentra var. meiacantha, Mammill. Handb.: 66. 1945
Taxon for this name