| TaxonId | Name | Volume | Year | ||
| 242344484 | Rhododendron sheltoniae | Vol.14 | 2005 | ||
| 242344486 | Rhododendron shepherdii | Vol.14 | 2005 | ||
| 200016564 | Rhododendron sherriffii | 红钟杜鹃 | Vol.14 | 2005 | |
| 242344487 | Rhododendron shimenense | 石门杜鹃 | Vol.14 | 2005 | |
| 242344488 | Rhododendron shimianense | 石棉杜鹃 | Vol.14 | 2005 | |
| 242344489 | Rhododendron shiwandashanense | Vol.14 | 2005 | ||
| 250059916 | Rhododendron shojoense | Vol.14 | 2005 | ||
| 242344491 | Rhododendron shweliense | 瑞丽杜鹃 | Vol.14 | 2005 | |
| 242344492 | Rhododendron siamense | Vol.14 | 2005 | ||
| 242344493 | Rhododendron sidereum | 银灰杜鹃 | Vol.14 | 2005 | |
| 242444876 | Rhododendron siderophylloides | Vol.14 | 2005 | ||
| 200016565 | Rhododendron siderophyllum | 锈叶杜鹃 | Vol.14 | 2005 | |
| 242344494 | Rhododendron sigillatum | Vol.14 | 2005 | ||
| 200016566 | Rhododendron sikangense | 川西杜鹃 | Vol.14 | 2005 | |
| 242344495 | Rhododendron sikangense var. exquisitum | 优美杜鹃 | Vol.14 | 2005 |
