| Name | Coryphantha poselgeriana (A. Dietrich) Britton & Rose |
| Authorship | (A. Dietrich) Britton & Rose |
| Rank | Species |
| Placed in | Coryphantha |
| Citation | 1923. (9 Oct 1923) Cactaceae (Britton & Rose) 4: 28 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Coryphantha poselgeriana (A. Dietrich) Britton & Rose |
| Identification made in | [no date] (6) |