@article {spegazzini1902,
	title = {Nova addenda ad floram Patagonicam II},
	journal = {Anales de la Sociedad Cient{\'\i}fica Argentina},
	volume = {53},
	year = {1902},
	pages = {66{\textendash}80},
	keywords = {Heliotropium, Heliotropium patagonicum, Valentina, Valentina patagonica},
	url = {http://www.biodiversitylibrary.org/page/2920385},
	author = {Spegazzini, C. L.}
}
@article {spegazzini1901,
	title = {Plantae novae nonnullae Americae australis},
	journal = {Comunicaciones del Museo Nacional de Buenos Aires},
	volume = {1},
	year = {1901},
	pages = {312{\textendash}323},
	keywords = {Ixorhea, Ixorhea tschudiana, Oxyosmyles, Oxyosmyles viscosissima},
	url = {http://www.biodiversitylibrary.org/page/11656290},
	author = {Spegazzini, C. L.}
}
