| Name | Rhododendron oblongifolium (Small) Millais |
| Authorship | (Small) Millais |
| Rank | Species |
| Placed in | Rhododendron Linnaeus |
| Citation | 1917 Rhododendrons 219 |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Rhododendron oblongifolium (Small) Millais |
| Identification made in | [no date] (20) |