| Name | Ferocactus uncinatus var. wrightii (Engelmann) N. P. Taylor |
| Authorship | (Engelmann) N. P. Taylor |
| Rank | Variety |
| Placed in | Ferocactus uncinatus (Galeotti ex Pfeiffer) Britton & Rose |
| Citation | 1979 Cact. Succ. J. Gr. Brit. 41: 31 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ferocactus uncinatus var. wrightii (Engelmann) N. P. Taylor |
| Identification made in | [no date] (1) |
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