| Collector | Geesink, R. |
| Number | 8171 |
| Collected with | P. Hiepko & C. Phengklai |
| Country | Thailand |
| Subpart | Chiang Mai |
| County | |
| Locality | N. Thailand. Doi Chiang Dao. Sumit zone, open vegetation on limestone. |
| Coordinates | 19° 25' N 99° ' E |
| Minimum elevation (m) | 2000 |
| Maximum elevation (m) | 2250 |
| Start date | 1975/01/08 |
| End date | 1975/01/08 |
| Family | Asteraceae |
| Identification | Pertya hossei Craib ex Hosseus |
| Determined by | Hiroshige Koyama |
| Identification qualifier | |
| Field notes | Corolla white. Anthers incarnately orange with white apex |
|