Appendix 1.
Population code | Location | N | Voucher no.a | Geographic coordinates | Altitude (m) |
YD | Yadong, Xizang, China | 17 | Chen2014498 | 27°47′26″N, 99°08′52″E | 4350 |
QML | Qumalai, Qinghai, China | 20 | Chen2014684 | 33°58′03″N, 96°34′39″E | 4570 |
MY | Menyuan, Qinghai, China | 19 | Zhang2014341 | 37°51′00″N, 101°04′51″E | 3636 |
Note: N = number of individuals sampled.
The voucher specimens are deposited in the Herbarium of the Northwest Institute of Plateau Biology (HNWP), Chinese Academy of Sciences, Xining, Qinghai Province, China.