]> A barcode-00238119 China Qinghai 30 km W of the town of Nangqen along the Xiao-qu River in Xiao-long Gou. Rheum nanum (Lingelsheim) Limpricht (Lingelsheim) Limpricht 2020-01-16 17:18:25 D. E. Boufford, M. J. Donoghue, X. F. Lu & T. S. Ying