| Name | Rhododendron leptothrium I. B. Balfour & Forrest |
| Authorship | I. B. Balfour & Forrest |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhododendron Linnaeus |
| Holdings | 43 Specimens held in the Harvard University Herbaria identified as Rhododendron leptothrium I. B. Balfour & Forrest |
| Identification made in | [no date] (38), 2006 (4), 2016 (1) |