@article {19771,
	title = {Spermatophytes, mostly Peruvian - III},
	journal = { Publications of the Field Museum of Natural History, Botanical Series},
	volume = {11},
	year = {1931},
	month = {05/1931},
	pages = {3-35},
	chapter = {3},
	url = {http://www.biodiversitylibrary.org/item/19792$\#$page/9/mode/1up},
	author = {J.F. Macbride}
}
@article {18518,
	title = {Flora Peruviana, et Chilensis IV (Laurographia)},
	year = {1804},
	pages = {Plates CCCXLV - CCCLXXII},
	type = {plates},
	url = {http://bibdigital.rjb.csic.es/ing/Libro.php?Libro=5798},
	author = {Ruiz L{\'o}pez, Hip{\'o}lito and Pavon, Jos{\'e} Antonio}
}
