| Name | Hylocereus undatus (Haworth) Britton & Rose |
| Authorship | (Haworth) Britton & Rose |
| Rank | Species |
| Placed in | Hylocereus (A. Berger) Britton & Rose |
| Citation | 1918 Fl. Bermuda 256 |
| Holdings | 37 Specimens held in the Harvard University Herbaria identified as Hylocereus undatus (Haworth) Britton & Rose |
| Identification made in | [no date] (37) |