| Name | Haplopappus phyllocephalus de Candolle |
| Authorship | de Candolle |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Haplopappus Cassini |
| Contains | Haplopappus phyllocephalus var. genuinus S. F. Blake Haplopappus phyllocephalus subsp. primitivus H. M. Hall Haplopappus phyllocephalus var. rubiginosus (Torrey & A. Gray) S. F. Blake |
| GUID | urn:lsid:ipni.org:names:178055-1 |
| Citation | 1836 Prodr. [A. P. de Candolle] 5: 347 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Haplopappus phyllocephalus de Candolle |
| Identification made in | [no date] (1), 1916 (1), 1963 (2), 1975 (3) |