| Name | Psychotria pachycalyx O. Lachenaud |
| Authorship | O. Lachenaud |
| Rank | Species |
| Placed in | Psychotria Linnaeus |
| Remarks | [confirmed][imported from GBIF] |
| Citation | 2019 Opera Bot. Belg. 17(1): 309 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Psychotria pachycalyx O. Lachenaud |
| Identification made in | [no date] (1) |