Mammillaria bicolor f. cristata (Salm-Dyck) Schelle, Handb. Kakteenkult.: 263. 1907
Mammillaria bicolor f. cristata, Handb. Kakteenkult.: 263. 1907
is new combination for Mammillaria bicolor var. cristata, Cact. Hort. Dyck., ed. 1849: 9. 1850
Mammillaria bicolor f. cristata, Handb. Kakteenkult.: 263. 1907
Taxon for this name