| Name | Hypericum monogynum Linnaeus |
| Authorship | Linnaeus |
| Rank | Species |
| Placed in | Hypericum Linnaeus |
| Citation | 1763 Sp. Pl., ed. 2. 2: 1107 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Hypericum monogynum Linnaeus |
| Identification made in | 2023 (8) |