| Name | Prestonia sp. |
| Authorship | |
| Rank | Species |
| Placed in | Prestonia R. Brown |
| Holdings | 39 Specimens held in the Harvard University Herbaria identified as Prestonia sp. |
| Identification made in | [no date] (34), 1987 (2), 2013 (3) |
| Name | Prestonia sp. |
| Authorship | |
| Rank | Species |
| Placed in | Prestonia R. Brown |
| Holdings | 39 Specimens held in the Harvard University Herbaria identified as Prestonia sp. |
| Identification made in | [no date] (34), 1987 (2), 2013 (3) |