]> A barcode-00459323 China Qinghai Yushu Zangzu Zizhizhou. Along Xian road X817 between km markers 95 and 96; ravine flowing into Za Qu (Za River) Betula delavayi var. microstachya P. C. Li P. C. Li 2021-12-10 13:48:50 D. E. Boufford, B. Bartholomew, J. Guo & J. F. Harber