| Name | Helianthus senex S. F. Blake |
| Authorship | S. F. Blake |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Helianthus |
| GUID | urn:lsid:ipni.org:names:212260-1 |
| Citation | 1926 J. Wash. Acad. Sci. 16: 220 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Helianthus senex S. F. Blake |
| Identification made in | [no date] (1), 1955 (1), 2008 (1) |