| TaxonId | Name | Volume | Year | ||
| 242343571 | Rhododendron benthamianum | Vol.14 | 2005 | ||
| 242343572 | Rhododendron bergii | Vol.14 | 2005 | ||
| 242343573 | Rhododendron bhotanicum | Vol.14 | 2005 | ||
| 242343574 | Rhododendron bicolor | Vol.14 | 2005 | ||
| 242343575 | Rhododendron bicorniculatum | Vol.14 | 2005 | ||
| 242343576 | Rhododendron bijiangense | 碧江杜鹃 | Vol.14 | 2005 | |
| 242343577 | Rhododendron bivelatum | 双被杜鹃 | Vol.14 | 2005 | |
| 242343578 | Rhododendron blandulum | Vol.14 | 2005 | ||
| 242343579 | Rhododendron blepharocalyx | Vol.14 | 2005 | ||
| 242343580 | Rhododendron blinii | Vol.14 | 2005 | ||
| 242343582 | Rhododendron bonvalotii | 折多杜鹃 | Vol.14 | 2005 | |
| 242343583 | Rhododendron boothii | 柠檬杜鹃 | Vol.14 | 2005 | |
| 242343584 | Rhododendron brachyandrum | Vol.14 | 2005 | ||
| 200016349 | Rhododendron brachyanthum | 短花杜鹃 | Vol.14 | 2005 | |
| 242444059 | Rhododendron brachyanthum subsp. brachyanthum | 短花杜鹃(原亚种) | Vol.14 | 2005 |
