@booklet {8,
	title = {Flora of China Vol. 20-21},
	year = {2011},
	author = {SHI, Zhu and Chen, YL and CHEN, YS and others}
}
@article {5,
	title = {Flora of China》(Vol. 19)},
	year = {2011},
	author = {Wu, ZY and Raven, PH and Hong, DY and others}
}
