| Name | Opuntia phaeacantha var. major Engelmann |
| Authorship | Engelmann |
| Rank | Variety |
| Placed in | Opuntia phaeacantha Engelmann |
| Citation | 1856 Proc. Amer. Acad. Arts 3: 293 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Opuntia phaeacantha var. major Engelmann |
| Identification made in | [no date] (7) |
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