| Rhododendron edanoi subsp. pneumonanthum (Sleumer) Argent | B. L. Burtt C13685 | United Kingdom. Scotland. Edinburgh. Royal Botanic Garden. | | 04395051 |  |
| Rhododendron edanoi subsp. pneumonanthum (Sleumer) Argent | T. Beaman 111 | Malaysia. Sarawak. Marudi (District). Borneo Marudi District: Bario, 4-5 km along road to Pa' Umor from airstrip. | | 04394918 |  |
| Rhododendron edanoi subsp. pneumonanthum (Sleumer) Argent | J. H. Beaman 11235 | Malaysia. Sarawak. Marudi (District). Borneo Sarawak. Marudi District: Between Bario and Pa Umor. | | 04394917 |  |
| Rhododendron edanoi subsp. pneumonanthum (Sleumer) Argent | | | | 04395053 |  |
