Subspecies, varieties, forms and cultivars of plants belonging to the Mammillaria brandegeei group

• Mammillaria brandegeei (J.M.Coult.) K.Brandegee: (subsp. brandegei) has 2-4 central spines and greenish yellow or brownish yellow flowers.
• Mammillaria brandegeei subs. gabbii (Engelm. ex J.M.Coult.) D.R.Hunt: has 1-2 central spines and yellowish flowers; it is the most northern.
• Mammillaria brandegeei subs. glareosa (Boed.) D.R.Hunt: has one central spine and yellowish flowers but is much flatter and has tuberous roots; it occurs near Santa Rosalillita Bay.
• Mammillaria brandegeei subs. lewisiana (H.E.Gates) D.R.Hunt: has 1-3 long central spines curving over the top of the plant; it occurs in the northern Vizcaino Desert.