@book {4480,
	title = {Icones Filicum Sinicarum 5},
	volume = {5},
	year = {1958},
	author = {R. C. Ching}
}
@article {2322,
	title = {The Studies of Chinese Ferns-XXXV},
	journal = {Bulletin of the Fan Memorial Institute of Biology: Botany},
	volume = {1},
	year = {1930},
	author = {R. C. Ching}
}
