| Name | Rhododendron glaucophyllum subsp. tubiforme (Cowan) Davidian & D. G. Long |
| Authorship | (Cowan) Davidian & D. G. Long |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhododendron glaucophyllum Rehder |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhododendron glaucophyllum subsp. tubiforme (Cowan) Davidian & D. G. Long |
| Identification made in | [no date] (1) |