]> A barcode-00435821 China Sichuan NE of the city of Xiaojin near Muer Zhai Betula pendula subsp. szechuanica (C. K. Schneider) Ashburner & McAllister (C. K. Schneider) Ashburner & McAllister 2015-03-31 06:25:16 D. E. Boufford, K. Fujikawa, S. L. Kelley, R. H. Ree, Bo Xu, J. W. Zhang, T. C. Zhang, & W. D. Zhu