| Name | Haplopappus hallii A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Haplopappus Cassini |
| GUID | urn:lsid:ipni.org:names:117551-2 |
| Citation | 1872 Proc. Amer. Acad. Arts 8: 389 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Haplopappus hallii A. Gray |
| Identification made in | [no date] (1) |
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