| Name | Rhododendron retusum var. trichostylum Sleumer | 
| Authorship | Sleumer | 
| Rank | Variety | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Rhododendron retusum (Blume) Bennett | 
| Citation | 1960 Reinwardtia 5: 55 | 
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Rhododendron retusum var. trichostylum Sleumer | 
| Identification made in | [no date] (6) |