Two New Species of Yulania Spach from Hubei Province of China
FU Da-Li;ZHAO Tian-Bang;CHEN Zhi-Xiu;CHEN Shu-Sen
Bulletin of Botanical Research . 2010, (6): 641 -644 .  DOI: 10.7525/j.issn.1673-5102.2010.06.001