| Name | Rhododendron klossii Ridley |
| Authorship | Ridley |
| Rank | Species |
| Placed in | Rhododendron Linnaeus |
| Citation | 1909 J. Fed. Malay States Mus. 4: 43 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Rhododendron klossii Ridley |
| Identification made in | [no date] (3) |