| Name | Rhododendron macgregoriae var. glabrifilum (J. J. Smith) Sleumer |
| Authorship | (J. J. Smith) Sleumer |
| Rank | Variety |
| Placed in | Rhododendron macgregoriae F. Mueller |
| Citation | 1960 Reinwardtia 5: 206 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Rhododendron macgregoriae var. glabrifilum (J. J. Smith) Sleumer |
| Identification made in | [no date] (10) |