| Name | Hypericum altissimum R. Keller |
| Authorship | R. Keller |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypericum Linnaeus |
| GUID | urn:lsid:ipni.org:names:428368-1 |
| Citation | 1923 Bot. Jahrb. Syst. 58: 199 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Hypericum altissimum R. Keller |
| Identification made in | [no date] (1), 1984 (1), 2020 (1) |