Mammillaria flavovirens f. cristata (Salm-Dyck) Schelle, Handb. Kakteenkult.: 269. 1907
Mammillaria flavovirens f. cristata, Handb. Kakteenkult.: 269. 1907
is new combination for Mammillaria flavovirens var. cristata, Cact. Hort. Dyck., ed. 1849: 118. 1850