| Collector | Panyadee, P. |
| Number | 424 |
| Collected with | R. Kantasrila, W. Rujichaipimon, M. Tabut |
| Country | Thailand |
| Subpart | Phayao |
| County | |
| Locality | The road from Ban Nam Min to Ban Ton Phueng village. Road side of evergreen forest and rubber tree plantation. Mae Lao Sub-District, Chiang Kham district |
| Coordinates | |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 2022/08/31 |
| End date | 2022/08/31 |
| Family | Asclepiadaceae |
| Identification | Myriopteron extensum (Wight) K. Schum. |
| Determined by | |
| Identification qualifier | |
| Field notes | Climber, flower creamy white. |