| Name | Rhododendron hylaeum I. B. Balfour & Farrer |
| Authorship | I. B. Balfour & Farrer |
| Rank | Species |
| Placed in | Rhododendron Linnaeus |
| Citation | 1922 Notes Roy. Bot. Gard. Edinburgh 13: 265 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Rhododendron hylaeum I. B. Balfour & Farrer |
| Identification made in | 2006 (1), 2009 (1), 2016 (2) |