| Name | Helianthus laetiflorus Persoon |
| Authorship | Persoon |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Helianthus |
| Contains | Helianthus laetiflorus var. rigidus (Desfontaines) Fernald Helianthus laetiflorus var. subrhomboideus (Rydberg) Fernald |
| Remarks | Created from NEVP Ingest: Helianthus × laetiflorus Pers. (pro sp.) |
| GUID | urn:uuid: |
| Citation | 1807 Syn. Pl. [Persoon] 2: 476 |
| Holdings | 45 Specimens held in the Harvard University Herbaria identified as Helianthus laetiflorus Persoon |
| Identification made in | [no date] (45) |
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