@book {bhl142908,
	title = {Enumeratio plantarum Horti Regii Berolinensis. Supplementum},
	volume = {2},
	year = {1809},
	note = {http://www.biodiversitylibrary.org/bibliography/72321},
	publisher = {In Taberna libraria Scholae Realis},
	organization = {In Taberna libraria Scholae Realis},
	address = {Berolini},
	keywords = {Angiospermas|Gimnospermas|Obras cl{\'a}sicas|Pterid{\'o}fitos|},
	url = {http://www.biodiversitylibrary.org/item/142908},
	author = {Willdenow, C. L. von}
}
