| Name | Rhododendron calostrotum var. calciphilum (Hutchinson) Kingdon-Ward & Davidian |
| Authorship | (Hutchinson) Kingdon-Ward & Davidian |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhododendron calostrotum I. B. Balfour & F. K. Ward |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhododendron calostrotum var. calciphilum (Hutchinson) Kingdon-Ward & Davidian |
| Identification made in | [no date] (1) |