| Name | Helianthus praecox Engelmann & A. Gray |
| Authorship | Engelmann & A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Helianthus |
| GUID | urn:lsid:ipni.org:names:119226-2 |
| Citation | 1847 Boston J. Nat. Hist. 5: 221 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Helianthus praecox Engelmann & A. Gray |
| Identification made in | [no date] (2), 2008 (1) |
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