| Name | Dyckia gracilis Mez |
| Authorship | Mez |
| Rank | Species |
| Placed in | Dyckia Schultes & Schultes f. |
| Citation | 1896 Monogr. Phan. [A.DC. & C.DC.] 9: 516. |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Dyckia gracilis Mez |
| Identification made in | 1986 (2) |