| Name | Mammillaria pottsii Scheer ex Salm-Dyck |
| Authorship | Scheer ex Salm-Dyck |
| Rank | Species |
| Placed in | Mammillaria Haworth |
| GUID | urn:lsid:ipni.org:names:151474-2 |
| Citation | 1850 Cact. Hort. Dyck. (1849). 104 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Mammillaria pottsii Scheer ex Salm-Dyck |
| Identification made in | [no date] (1), 1983 (1) |