| Name | Haplopappus spinulosus var. glaberrimus (Rydberg) S. F. Blake |
| Authorship | (Rydberg) S. F. Blake |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Haplopappus spinulosus (Pursh) de Candolle |
| GUID | urn:lsid:ipni.org:names:117783-2 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Haplopappus spinulosus var. glaberrimus (Rydberg) S. F. Blake |
| Identification made in | 1917 (2) |