@article {4501,
	title = {Plantae Sinenses III.Pteridophyta},
	journal = {Meddelanden fran Goteborgs Botaniska Tradgard},
	volume = {1},
	year = {1924},
	author = {C. Chr.}
}
@article {2491,
	title = {Plantae Sinensis,III Pteridophyta},
	journal = {Meddelanden fran Goteborgs Botaniska Tradgard},
	volume = {1},
	year = {1924},
	author = {Carl Christensen}
}
