| Name | Rhododendron sphaeroblastum I. B. Balfour & Forrest |
| Authorship | I. B. Balfour & Forrest |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhododendron Linnaeus |
| Holdings | 26 Specimens held in the Harvard University Herbaria identified as Rhododendron sphaeroblastum I. B. Balfour & Forrest |
| Identification made in | [no date] (26) |