@article {16021,
	title = {Clematis erectisepala(Ranunculaceae),a New Species from Eastern Tibet,China},
	journal = {Novon},
	volume = {15},
	year = {2005},
	author = {Lei Xie,Jing-hua Shi \& Liang-qian Li}
}
@article {16020,
	title = {Clematis liuzhouensis (Ranunculaceae), a New Species from China},
	journal = {Novon},
	volume = {19},
	year = {2009},
	author = {Lin \& Wei}
}
