| Collector | Watthana, S. |
| Number | 302 |
| Collected with | P. Srisanga, M. Norsaengsri |
| Country | Thailand |
| Subpart | Chiang Mai |
| County | |
| Locality | Doi Hua Suea, Doi Inthanon National Park, Chom Thong District |
| Coordinates | |
| Minimum elevation (m) | 1500 |
| Maximum elevation (m) | 1700 |
| Start date | 1999/06/09 |
| End date | 1999/06/09 |
| Family | Ericaceae |
| Identification | Rhododendron lyi (H.Lév.) H.Lév. |
| Determined by | |
| Identification qualifier | |
| Field notes | Shrub up to 1.5 m high in open moist area. Petals white with slight yellowish patch on throat. |