| Name | Opuntia brunnescens Britton & Rose |
| Authorship | Britton & Rose |
| Rank | Species |
| Placed in | Opuntia |
| Citation | 1919. (21 Jun 1919) Cactaceae (Britton & Rose) 1: 150, f. 187, 188 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Opuntia brunnescens Britton & Rose |
| Identification made in | [no date] (1) |