| Name | Hypericum ×arnoldianum Rehder |
| Authorship | Rehder |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypericum Linnaeus |
| Citation | 1910 Mitt. Deutsch. Dendrol. Ges. 19: 253 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hypericum ×arnoldianum Rehder |
| Identification made in | [no date] (2) |
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