| Name | Helianthus porteri (A. Gray) Heiser |
| Authorship | (A. Gray) Heiser |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Helianthus |
| GUID | urn:lsid:ipni.org:names:907960-1 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Helianthus porteri (A. Gray) Heiser |
| Identification made in | [no date] (1) |