| Name | Dyckia ferox Mez |
| Authorship | Mez |
| Rank | Species |
| Placed in | Dyckia Schultes & Schultes f. |
| Citation | 1896 Monogr. Phan. [A.DC. & C.DC.] 9: 511. |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Dyckia ferox Mez |
| Identification made in | [no date] (3), 1986 (7), 2013 (1) |