@article {389,
	title = {Publicaciones del Museo de Historia Natural "Javier Prado". Serie B. Botanica. Lim},
	volume = {25},
	year = {1969},
	author = {Herrera}
}
@article {158,
	title = {Contr. Gray Herb.},
	volume = {199},
	year = {1969},
	author = {Vuilleum.}
}
