| Name | Prestonia exserta (A. de Candolle) Standley |
| Authorship | (A. de Candolle) Standley |
| Rank | Species |
| Placed in | Prestonia Scopoli |
| Citation | 1925 J. Wash. Acad. Sci. 15: 460 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Prestonia exserta (A. de Candolle) Standley |
| Identification made in | [no date] (3), 1934 (2), 1956 (1), 2000 (1) |