]> A barcode-00970693 China Qinghai Yushu Zangzu Zizhizhou. Northwest of the city of Shiqu (Serxu). Vicinity of Anbala Shan at pass; border of Sichuan (Shiqu Xian) and Qinghai (Chindu Xian) provinces on Qinghai side of pass off highway S307 Rheum nanum (Lingelsheim) Limpricht (Lingelsheim) Limpricht 2022-08-30 12:02:10 D. E. Boufford, B. Bartholomew, J. Guo & J. F. Harber