| Name | Haplopappus sp. | 
| Authorship | |
| Rank | Species | 
| Placed in | Haplopappus Cassini | 
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Haplopappus sp. | 
| Identification made in | [no date] (8), 1977 (1) | 
| Name | Haplopappus sp. | 
| Authorship | |
| Rank | Species | 
| Placed in | Haplopappus Cassini | 
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Haplopappus sp. | 
| Identification made in | [no date] (8), 1977 (1) | 
