| Name | Cereus undatus Haworth |
| Authorship | Haworth |
| Rank | Species |
| Placed in | Cereus Miller |
| Citation | 1830 Philos. Mag. Ann. Chem. 7: 110 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cereus undatus Haworth |
| Identification made in | [no date] (1) |