| Name | Opuntia triacantha (Willdenow) Sweet |
| Authorship | (Willdenow) Sweet |
| Rank | Species |
| Placed in | Opuntia |
| Citation | 1826 Hort. Brit. [Sweet] 1: 172 |
| Holdings | 18 Specimens held in the Harvard University Herbaria identified as Opuntia triacantha (Willdenow) Sweet |
| Identification made in | [no date] (18) |
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