Mammillaria haynei f. minima (Salm-Dyck) Schelle, Kakteen: 319. 1926 Mammillaria haynei f. minima (Salm-Dyck) Schelle, Kakteen: 319. 1926is new combination for Mammillaria haynei var. minima Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 10. 1850Taxon for this nameMammillaria haynei f. minima (Salm-Dyck) Schelle