| Name | Haplopappus discoideus Frye |
| Authorship | Frye |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Haplopappus Cassini |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Haplopappus discoideus Frye |
| Identification made in | [no date] (3) |