| Name | Haplopappus cooperi Hall |
| Authorship | Hall |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Haplopappus Cassini |
| GUID | urn:lsid:ipni.org:names:177919-1 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Haplopappus cooperi Hall |
| Identification made in | [no date] (7) |
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