Synonyms
Neomammillaria polygona (Salm-Dyck) Britton & Rose
Mammillaria anisacantha Salm-Dyck
Neomammillaria polyedra (Mart.) Britton & Rose
Cactus polytrichus (Salm-Dyck) Kuntze
Cactus polyedrus (Mart.) Jacob-Makoy
Mammillaria polytricha var. tetracantha Salm-Dyck
Mammillaria polytricha Salm-Dyck
Mammillaria polytricha var. scleracantha Labour.
Mammillaria polytricha var. laevior Salm-Dyck ex Labour.
Mammillaria polyedra var. laevior Salm-Dyck