@book {15913,
	title = {Hooker{\textquoteright}s Icones Plantarum},
	volume = {8},
	year = {1901},
	author = {Hemsl.}
}
@book {15875,
	title = {Hooker{\textquoteright}s Icones Plantarum},
	volume = {7},
	year = {1901},
	author = {W.Botting Hemsley}
}
@book {15849,
	title = {Trudy Imperatorskago S.-Peterburgskago Botaniceskago Sada},
	volume = {18},
	year = {1901},
	author = {V.L.Komarov}
}
@book {14346,
	title = {Acta Horti Petropolitani},
	volume = {18},
	year = {1901},
	author = {V.L.Komarov}
}
@book {4452,
	title = {Die Farngattung Niphobolus},
	year = {1901},
	author = {Giesenh.}
}
