| Name | Hieracium nigrocollinum S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hieracium Linnaeus |
| GUID | urn:lsid:ipni.org:names:122381-2 |
| Citation | 1890 Proc. Amer. Acad. Arts 25: 133 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hieracium nigrocollinum S. Watson |
| Identification made in | [no date] (1), 1965 (1) |