| Name | Rhododendron viscosum var. glaucum (Michaux) A. Gray |
| Authorship | (Michaux) A. Gray |
| Rank | Variety |
| Placed in | Rhododendron viscosum (Linnaeus) Torrey |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Rhododendron viscosum var. glaucum (Michaux) A. Gray |
| Identification made in | [no date] (8), 1951 (1) |