Mammillaria bullardiana (H.E.Gates) Boed., Kaktus-ABC: 387. 1935 Mammillaria bullardiana (H.E.Gates) Boed., Kaktus-ABC: 387. 1935is new combination for Neomammillaria bullardiana H.E.Gates in Cact. Succ. J. (Los Angeles) 6: 4. 1934Taxon for this nameMammillaria bullardiana (H.E.Gates) Boed.