Mammillaria spinosissima f. rubens (Salm-Dyck) Gürke in Blüh. Kakteen 6: t. 71. 1905
Mammillaria spinosissima f. rubens in Blüh. Kakteen 6: t. 71. 1905
is new combination for Mammillaria spinosissima var. rubens, Cact. Hort. Dyck., ed. 1849: 8. 1850