Mammillaria albicoma Mammillaria albicoma Boed. in Monatsschr. Deutsch. Kakteen-Ges. 1: 241. 1929 sec. Hernández & Gómez-Hinostrosa 2015≡Escobariopsis albicoma (Boed.) Doweld in Sukkulenty 3: 39. 2000 syn. sec. ???Content
