@book {20310,
	title = {Nomenclator botanicus},
	volume = {2},
	year = {1841},
	publisher = {J. G. Cotta},
	organization = {J. G. Cotta},
	edition = {2},
	address = {Stuttgart, T{\"u}bingen},
	url = {http://www.biodiversitylibrary.org/item/11567$\#$page/2/mode/1up},
	author = {Steudel, Ernst G.}
}
