@article {4495,
	title = {The 1980 Sino-American Botanical Expedition to Western Hubei Province,China},
	journal = {Journal of the Arnold Arboretum},
	volume = {64},
	year = {1983},
	author = {B.Bartholomew}
}
@book {4467,
	title = {Flora Xizangica},
	volume = {1},
	year = {1983},
	author = {Ching and S. K. Wu}
}
@article {4411,
	title = {New Ferns of Jinfoshan, Nanchuan, Sichuan},
	journal = {Bulletin of Botanical Research, Harbin},
	volume = {3},
	year = {1983},
	author = {R. C. Ching}
}
