| Name | Rhododendron calostrotum var. riparioides (Cullen) R. C. Fang |
| Authorship | (Cullen) R. C. Fang |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhododendron calostrotum I. B. Balfour & F. K. Ward |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Rhododendron calostrotum var. riparioides (Cullen) R. C. Fang |
| Identification made in | [no date] (12) |