]> A barcode-00236836 China Xizang (Tibet) Changdu Xian:Road (highway 317) from Changdu to Jiangda, along Zha Qu (river), a tributary of the Lancang Jiang (Mekong River), W of the town of Toba. 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