]> A barcode-00238906 China Qinghai ca. 15-20 km E of the town of Nangqen along the Zaqu River in Shixia Gou. Rheum przewalskii Losinskaja Losinskaja 2010-08-16 16:37:34 D. E. Boufford, M. J. Donoghue, X. F. Lu & T. S. Ying