| Rhododendron sigillatum Balf.f. & Forrest | | | | 4393995 |  |
| Rhododendron sigillatum Balf.f. & Forrest | J. F. C. Rock 24403 | China. Sichuan. Siga shan (Mt. Siga). | | 4394001 |  |
| Rhododendron sigillatum Balf.f. & Forrest | J. F. C. Rock 23906 | China. Sichuan. Mountains of Yetsi, north of Kulu, Muli Territory. | | 4394006 |  |
| Rhododendron sigillatum Balf.f. & Forrest | J. F. C. Rock 23809 | China. Sichuan. Mt. Siga, west and overlooking the Yalang River, north of Karadi. | | 4394004 |  |
| Rhododendron sigillatum Balf.f. & Forrest | | | | 4393996 |  |
| Rhododendron sigillatum Balf.f. & Forrest | | | | 4393997 |  |
| Rhododendron sigillatum Balf.f. & Forrest | | | | 4393998 |  |
| Rhododendron sigillatum Balf.f. & Forrest | | | | 4393999 |  |
| Rhododendron sigillatum Balf.f. & Forrest | | | | 4394002 |  |
| Rhododendron sigillatum Balf.f. & Forrest | | | | 4394003 |  |
| Rhododendron sigillatum Balf.f. & Forrest | | | | 4394005 |  |
| Rhododendron sigillatum Balf.f. & Forrest | | | | 4394000 |  |
| Rhododendron sigillatum Balf.f. & Forrest | | | | 4394007 |  |
| Rhododendron sigillatum Balf.f. & Forrest | | | | 04393994 |  |
