| Name | Psychotria marcgravii (A. St.-Hilaire) Sprengel |
| Authorship | (A. St.-Hilaire) Sprengel |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Psychotria Linnaeus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Psychotria marcgravii (A. St.-Hilaire) Sprengel |
| Identification made in | [no date] (2) |