@book {4513,
	title = {Synopsis Filicum},
	volume = {2},
	year = {1852},
	author = {Hook.}
}
@book {4506,
	title = {Species Filicum},
	volume = {5},
	year = {1864},
	author = {Hook.}
}
@book {4505,
	title = {Species Filicum },
	volume = {2},
	year = {1852},
	author = {Hook.}
}
@book {4504,
	title = {Species Filicum },
	volume = {1},
	year = {1844},
	author = {Hook.}
}
@book {4476,
	title = {Hooker{\textquoteright}s Icones Plantarum},
	volume = {10},
	year = {1854},
	author = {Hook.}
}
@book {4468,
	title = {Garden Ferns},
	year = {1862},
	author = {Hook.}
}
