@book {4467,
	title = {Flora Xizangica},
	volume = {1},
	year = {1983},
	author = {Ching and S. K. Wu}
}
@book {4466,
	title = {Flora Tsinlingensis},
	volume = {2},
	year = {1974},
	author = {Ching et Hsu}
}
@article {4341,
	title = {Two New Ferns from Tai Shan,Shandong Province},
	journal = {Acta Phytotaxonomica Sinica},
	volume = {20},
	year = {1982},
	author = {Li Fa-zeng \& Ni Chen-kai}
}
