| Name | Rhododendron dianthosmum Sleumer |
| Authorship | Sleumer |
| Rank | Species |
| Placed in | Rhododendron Linnaeus |
| Citation | 1963 Blumea xii. 100 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Rhododendron dianthosmum Sleumer |
| Identification made in | [no date] (2) |