@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.}
}
@article {2763,
	title = {Voyria allenii Steyermark, sp. nov},
	journal = {Ann. Missouri Bot. Gard.},
	volume = {28},
	year = {1941},
	month = {1941///},
	pages = {460 - 461},
	author = {Steyermark, J. A.}
}
@article {2744,
	title = {Pollen morphology of saprophytic taxa in the Gentianaceae},
	journal = {Ann. Missouri Bot. Gard.},
	volume = {56},
	year = {1969},
	month = {1969///},
	pages = {420 - 438},
	author = {Nilsson, S. and Skvarla, J. J.}
}
