| Collector | Thammarong, W. |
| Number | 4089 |
| Collected with | W. Tanming, S. Rakarcha, S. Yokyo, M. Tabut |
| Country | Thailand |
| Subpart | Chiang Mai |
| County | |
| Locality | Kio Lom, Doi Chiang Dao, Chiang Dao district |
| Coordinates | 19° 23' 14.32'' N 98° 53' 17.809999999999999'' E |
| Minimum elevation (m) | 2131 |
| Maximum elevation (m) | 2131 |
| Start date | 2023/02/21 |
| End date | 2023/02/21 |
| Family | Asteraceae |
| Identification | Pertya hossei Craib ex Hosseus |
| Determined by | |
| Identification qualifier | |
| Field notes | Limestone mountain. Shrub ca. 1 m tall. Corolla white. |
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