| Name | Hylocereus triangularis (Linnaeus) Britton & Rose |
| Authorship | (Linnaeus) Britton & Rose |
| Rank | Species |
| Placed in | Hylocereus (A. Berger) Britton & Rose |
| Citation | 1909. (21 Jul 1909) Contr. U.S. Natl. Herb. 12(10): 429 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Hylocereus triangularis (Linnaeus) Britton & Rose |
| Identification made in | [no date] (5) |