| Name | Leptosiphon bicolor Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| Placed in | Leptosiphon Bentham |
| Citation | 1848 Proc. Acad. Nat. Sci. Philadelphia 4(1): 11 |
| Holdings | 62 Specimens held in the Harvard University Herbaria identified as Leptosiphon bicolor Nuttall |
| Identification made in | [no date] (60), 2017 (2) |