| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Rhododendron butrycium Kingdon-Ward | F. Kingdon-Ward 251 22 Jan 1939 | Myanmar. Nyetmo Pass. | 02651457 |  | |
| Rhododendron butrycium Kingdon-Ward | F. Kingdon-Ward 354 24 Feb 1939 | Myanmar. Hpimaw Pass. | 02651458 |  | |
| Rhododendron butrycium Kingdon-Ward | F. Kingdon-Ward 404 15 Mar 1939 | Myanmar. Panwa Pass. | 02651459 |  | |
| Rhododendron butrycium Kingdon-Ward | F. Kingdon-Ward 395 20 Mar 1939 | Myanmar. Above Zuklang. | 02651460 |  |
