| Name | Ferocactus hamatacanthus (Muehlenpfordt) Britton & Rose |
| Authorship | (Muehlenpfordt) Britton & Rose |
| Rank | Species |
| Placed in | Ferocactus |
| Citation | 1922 Cactaceae (Britton & Rose) 3: 144 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Ferocactus hamatacanthus (Muehlenpfordt) Britton & Rose |
| Identification made in | [no date] (11) |
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