| Name | Robinia ×longiloba Ashe |
| Authorship | Ashe |
| Rank | Species |
| Placed in | Robinia |
| Citation | 1918 Bull. Charleston Mus. 14: 30 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Robinia ×longiloba Ashe |
| Identification made in | [no date] (6) |