]> A barcode-00914893 China Xizang (Tibet) S of the city of Zuogong (Zogang) along the Yu Qu (Yu River; often Yuqu He on Chinese maps). along a small tributary of Yu Qu Descurainia sophia (Linnaeus) Webb ex Prantl (Linnaeus) Webb ex Prantl 2016-02-25 07:23:01 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