Mammillaria prismatica (Lem.) Hemsl. in Biol. Cent.-Amer., Bot. 1(6): 519. 1880 Mammillaria prismatica (Lem.) Hemsl. in Biol. Cent.-Amer., Bot. 1(6): 519. 1880is new combination for Anhalonium prismaticum Lem., Cact. Gen. Sp. Nov.: 1. 1839Taxon for this nameMammillaria prismatica (Lem.) Hemsl.