@article {747,
	title = {Observationes botanicae genera et species Filicum illustrantes},
	journal = {Journal f{\"u}r die Botanik. [Edited by H. A. Schrader]. G{\"o}ttingenJournal f{\"u}r die Botanik. [Edited by H. A. Schrader]. G{\"o}ttingen},
	volume = {1801},
	number = {2},
	year = {1803},
	note = {IN FILESw.  },
	keywords = {species},
	author = {Swartz, O.}
}
@inbook {771,
	title = {Species plantarum (Willdenow)},
	volume = {5.1},
	year = {1810},
	note = {NOT IN FILEWilld.  },
	pages = {xxxxx+542},
	publisher = {G.C. Nauk},
	organization = {G.C. Nauk},
	address = {Berlin},
	keywords = {species},
	author = {Willdenow, K. L.}
}
@article {746,
	title = {Genera et species filicum ordine systematico redactarum},
	journal = {Journal f{\"u}r die Botanik. [Edited by H. A. Schrader]. G{\"o}ttingen},
	volume = {1800},
	number = {2},
	year = {1801},
	note = {IN FILESw.  },
	keywords = {species},
	author = {Swartz, O.}
}
@article {621,
	title = {Taxonomic fern studies III. Revision of the genera and species of ferns described by A.J. Cavanilles},
	journal = {Dansk Botanisk Arkiv Udgivet af Dansk Botanisk Forening. CopenhagenDansk Botanisk Arkiv Udgivet af Dansk Botanisk Forening. Copenhagen},
	volume = {9  },
	number = {3},
	year = {1937},
	note = {NOT IN FILEC. Chr.  },
	pages = {3-32},
	keywords = {Ferns, species},
	author = {Christensen, C.}
}
@article {622,
	title = {Taxonomic fern studies V. Descriptions of 36 new Species of Ferns},
	journal = {Dansk Botanisk Arkiv Udgivet af Dansk Botanisk Forening. Copenhagen},
	volume = {9  },
	number = {3},
	year = {1937},
	note = {NOT IN FILEC. Chr.  },
	pages = {53-78},
	keywords = {Ferns, species},
	author = {Christensen, C.}
}
