Phylogenetic inference of the genus Bupleurum (Apiaceae) in Hengduan Mountains based on chromosome counts and nuclear ribosomal DNA ITS sequences
Qi-Zhi WANG, Xing-Jin HE, Song-Dong ZHOU, Yun-Ke WU, Yan YU, Yun-Li PANG
J Syst Evol . 2008, (2): 142 -154 .  DOI: 10.3724/SP.J.1002.2008.07107