| TaxonId | Name | Volume | Year | ||
| 242344146 | Rhododendron maoerense | 猫儿山杜鹃 | Vol.14 | 2005 | |
| 242344147 | Rhododendron maowenense | 茂汶杜鹃 | Vol.14 | 2005 | |
| 200016483 | Rhododendron mariae | 岭南杜鹃 | Vol.14 | 2005 | |
| 250091037 | Rhododendron mariae subsp. flumineum | Vol.0 | 2005 | ||
| 242344148 | Rhododendron mariae subsp. kwangsiense | Vol.14 | 2005 | ||
| 250091036 | Rhododendron mariae subsp. microphyton | Vol.0 | 2005 | ||
| 200016484 | Rhododendron mariesii | 满山红 | Vol.14 | 2005 | |
| 242344150 | Rhododendron martinianum | 少花杜鹃 | Vol.14 | 2005 | |
| 242344151 | Rhododendron maximowiczianum | Vol.14 | 2005 | ||
| 200016485 | Rhododendron meddianum | 红萼杜鹃 | Vol.14 | 2005 | |
| 242344152 | Rhododendron meddianum var. atrokermesinum | 腺房红萼杜鹃 | Vol.14 | 2005 | |
| 242344153 | Rhododendron meddianum var. meddianum | 红萼杜鹃(原变种) | Vol.14 | 2005 | |
| 242344154 | Rhododendron medoense | 墨脱马银花 | Vol.14 | 2005 | |
| 200016486 | Rhododendron megacalyx | 大萼杜鹃 | Vol.14 | 2005 | |
| 242344155 | Rhododendron megalanthum | 西藏杜鹃 | Vol.14 | 2005 |
