| Name | Opuntia arechavaletae Spegazzini |
| Authorship | Spegazzini |
| Rank | Species |
| Placed in | Opuntia |
| Citation | 1905 Anales Mus. Nac. Buenos Aires 4(ser. 3): 520 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Opuntia arechavaletae Spegazzini |
| Identification made in | [no date] (1) |