| Name | Helianthus ×laetiflorus Persoon |
| Authorship | Persoon |
| Rank | Species |
| Placed in | Helianthus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Helianthus ×laetiflorus Persoon |
| Identification made in | [no date] (2) |
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