| Name | Hypericum phellos subsp. marcescens N. Robson |
| Authorship | N. Robson |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypericum phellos Gleason |
| GUID | urn:lsid:ipni.org:names:278617-2 |
| Citation | 1990 Bull. Brit. Mus. (Nat. Hist.), Bot. 20: 16 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypericum phellos subsp. marcescens N. Robson |
| Identification made in | [no date] (1) |