| Name | Rhododendron leptocarpum Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| Placed in | Rhododendron Linnaeus |
| Citation | 1854 Hooker's J. Bot. Kew Gard. Misc. 6: 256 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhododendron leptocarpum Nuttall |
| Identification made in | 2009 (1) |