| TaxonId | Name | Volume | Year | ||
| 200016553 | Rhododendron scabrifolium | 糙叶杜鹃 | Vol.14 | 2005 | |
| 242344455 | Rhododendron scabrifolium var. pauciflorum | 疏花糙叶杜鹃 | Vol.14 | 2005 | |
| 242344456 | Rhododendron scabrifolium var. scabrifolium | 糙叶杜鹃(原变种) | Vol.14 | 2005 | |
| 242344457 | Rhododendron scabrifolium var. spiciferum | Vol.14 | 2005 | ||
| 242344459 | Rhododendron schistocalyx | 裂萼杜鹃 | Vol.14 | 2005 | |
| 242344460 | Rhododendron schizopeplum | Vol.14 | 2005 | ||
| 200016554 | Rhododendron schlippenbachii | 大字杜鹃 | Vol.14 | 2005 | |
| 242344461 | Rhododendron scintillans | Vol.14 | 2005 | ||
| 242344462 | Rhododendron sclerocladum | Vol.14 | 2005 | ||
| 200016555 | Rhododendron scopulorum | 石峰杜鹃 | Vol.14 | 2005 | |
| 200016556 | Rhododendron scottianum | Vol.14 | 2005 | ||
| 242344463 | Rhododendron scyphocalyx | Vol.14 | 2005 | ||
| 200016557 | Rhododendron searsiae | 绿点杜鹃 | Vol.14 | 2005 | |
| 316375 | Rhododendron sect. Azaleastrum | 马银花组 | Vol.14 | 2005 | |
| 316369 | Rhododendron sect. Brachycalyx | 轮生叶组 | Vol.14 | 2005 |
