| Name | Hackelia besseyi (Rydberg) J. L. Gentry |
| Authorship | (Rydberg) J. L. Gentry |
| Rank | Species |
| Placed in | Hackelia |
| Citation | 1974 Southw. Naturalist 19(2): 139 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Hackelia besseyi (Rydberg) J. L. Gentry |
| Identification made in | 1969 (3) |