| Name | Solidago tenuifolia var. pycnocephala Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Solidago tenuifolia Pursh |
| GUID | urn:lsid:ipni.org:names:240537-2 |
| Citation | 1922 Rhodora 23: 293 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Solidago tenuifolia var. pycnocephala Fernald |
| Identification made in | [no date] (1) |