]> A barcode-00571344 China Xizang (Tibet) Mangkang (Markham) Xian: between Mangkang and the Jinsha Jiang on highway 318, along the Xi Qu (Xi River) Betula delavayi var. microstachya P. C. Li P. C. Li 2015-06-30 04:55:46 D. E. Boufford, B. Bartholomew, D. A. Eaton, Xin Hui Li, R. H. Ree, B. Xu, J. P. Yue, J. W. Zhang & X. X. Zhu