@book {18456,
	title = {Caroli Linnaei systema vegetabilium editio decima sexta},
	volume = {2},
	year = {1825},
	publisher = {Dieterich},
	organization = {Dieterich},
	address = {G{\"o}ttingen},
	url = {http://www.biodiversitylibrary.org/item/15253},
	author = {Sprengel, Kurt Polycarp Joachim}
}
