Mammillaria nivea var. daedalea (Scheidw.) Lem., Cact. Gen. Sp. Nov.: 101. 1839 Mammillaria nivea var. daedalea (Scheidw.) Lem., Cact. Gen. Sp. Nov.: 101. 1839is new combination for Mammillaria daedalea Scheidw., Hort. Belge 4: 16. 1837Taxon for this nameMammillaria nivea var. daedalea (Scheidw.) Lem.