@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 {4410,
	title = {New Ferns from Jiulungshan, S. W. Zhejiang Province},
	journal = {Bulletin of Botanical Research, Harbin},
	volume = {2},
	year = {1982},
	author = {R. C. Ching}
}
@article {4349,
	title = {A Supplement to the Flora of Xizang (Tibet) (2)},
	journal = {Acta Phytotaxonomica Sinica},
	volume = {22},
	year = {1984},
	author = {R. C. Ching}
}
