]> A barcode-00238554 China Xizang (Tibet) Chengdu Xian: Road (highway 317) from Changdu (Chamdo) to Riwoqe (Riwoche) at Zhuoga-La (pass). Polygonum viviparum Linnaeus Linnaeus 2010-08-16 16:37:32 Boufford D. E., Chen J. H., Kelley S. L., Li J., Ree R. H., Sun H., Yue J. P. & Y. H. Zhang