| Name | Leptosiphon harknessii (Curran) J. M. Porter & L. A. Johnson |
| Authorship | (Curran) J. M. Porter & L. A. Johnson |
| Rank | Species |
| Placed in | Leptosiphon Bentham |
| Holdings | 109 Specimens held in the Harvard University Herbaria identified as Leptosiphon harknessii (Curran) J. M. Porter & L. A. Johnson |
| Identification made in | [no date] (108), 2018 (1) |