| Name | Mammillaria tetracantha Salm-Dyck |
| Authorship | Salm-Dyck |
| Rank | Species |
| Placed in | Mammillaria Haworth |
| Citation | 1837 Enum. Diagn. Cact. 18 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mammillaria tetracantha Salm-Dyck |
| Identification made in | [no date] (1) |
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