@book {bhl144411,
	title = {Species plantarum},
	series = {Species plantarum},
	volume = {3},
	year = {1804},
	note = {http://www.biodiversitylibrary.org/bibliography/73810},
	publisher = {Impensis G. C. Nauk},
	organization = {Impensis G. C. Nauk},
	edition = {3},
	address = {Berolini},
	keywords = {Angiospermas|Obras cl{\'a}sicas|Taxonom{\'\i}a|},
	url = {http://www.biodiversitylibrary.org/item/144411},
	author = {Willdenow, Carl Ludwig von}
}
@article {54,
	title = {Novos Subsidios para o estudo da flora do Archipelago da Madeira},
	journal = {Brot{\'e}ria. S{\'e}rie botanica.},
	volume = {22},
	year = {1926},
	pages = {20-27},
	publisher = {Lisboa [etc.]Revista Brot{\'e}ria.},
	keywords = {Botany|Periodicals|},
	author = {Menezes, C. A.}
}
