| Name | Hornstedtia peninsularis Elmer |
| Authorship | Elmer |
| Rank | Species |
| Placed in | Hornstedtia Retzius |
| Citation | 1919 Leafl. Philipp. Bot. viii. 2983, 3108 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hornstedtia peninsularis Elmer |
| Identification made in | [no date] (1), 2023 (1) |