@article {4230,
	title = {Notes on some American species of Voyria (Gentianaceae)},
	journal = {Ann. Missouri Bot. Gard.},
	volume = {55},
	year = {1968},
	month = {1968///},
	pages = {398 - 400},
	author = {Robyns, A.}
}
@article {3500,
	title = {Deux Exochaenium nouveaux (Gentianaceae) d{\textquoteright}Afrique tropicale},
	journal = {Bull. Jard. Bot. Etat Bruxelles},
	volume = {32},
	year = {1962},
	month = {1962///},
	pages = {471 - 475},
	author = {Robyns, A.}
}
@article {2907,
	title = {Notes on some american species of Voyria (Gentianaceae)},
	journal = {Ann. Missouri Bot. Gard.},
	volume = {55},
	year = {1968},
	month = {1968///},
	pages = {398 - 400},
	author = {Robyns, A.}
}
@book {2726,
	title = {Gentianaceae},
	series = {Flora of Panama. Ann. Missouri Bot. Garden},
	volume = {62},
	year = {1975},
	month = {1975///},
	pages = {61 - 101},
	author = {Eli{\'a}s, T. S. and Robyns, A.}
}
