| Name | Rhododendron praetervisum Sleumer |
| Authorship | Sleumer |
| Rank | Species |
| Placed in | Rhododendron Linnaeus |
| Citation | 1973 Blumea 21: 376 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Rhododendron praetervisum Sleumer |
| Identification made in | [no date] (4) |