| Name | Rhododendron viscosum f. coerulescens Rehder |
| Authorship | Rehder |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhododendron viscosum (Linnaeus) Torrey |
| Citation | 1921 Monogr. Azaleas 165 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhododendron viscosum f. coerulescens Rehder |
| Identification made in | [no date] (1) |