@article {lingelsheim_plantae_1909,
	title = {Plantae Bolivianae. III},
	journal = {Repertorium Novarum Specierum Regni Vegetabilis},
	volume = {7},
	number = {16-18},
	year = {1909},
	pages = {241{\textendash}251},
	doi = {10.1002/fedr.19090071602},
	url = {http://www.biodiversitylibrary.org/page/265457},
	author = {Lingelsheim, A. and Pax, F. and Winkler, H.}
}
@article {robinson1909,
	title = {Philippine Boraginaceae},
	journal = {The Philippine Journal of Science},
	volume = {4},
	number = {6},
	year = {1909},
	pages = {687{\textendash}698},
	url = {http://www.biodiversitylibrary.org/page/699136},
	author = {Robinson, C. B.}
}
