]> A barcode-00236827 China Xizang (Tibet) Changdu Xian: Road (highway 317) from Changdu (Chamdo) to Riwoqe (Riwoche) at Zhuoga-La (pass). Sisymbrium heteromallum C. A. Meyer C. A. Meyer 2010-08-16 16:37:04 D. E. Boufford, J. H. Chen, S. L. Kelley, J. Li, R. H. Ree, H. Sun, J. P. Yue & Y. H. Zhang