@article {5781,
	title = {Remarks on the species of Corallorhiza, indigenous to the United States},
	journal = {Journal of the Academy of Natural Sciences of Philadelphia},
	volume = {3},
	year = {1823},
	month = {1823},
	pages = {135 - 139},
	author = {Nuttall, T.}
}
@article {2749,
	title = {Vohiria},
	journal = {Recueil de planches de botanique de l{\textquoteright}Encyclop{\'e}die},
	volume = {1},
	year = {1823},
	month = {1823///},
	pages = {Pl. 109},
	author = {Poiret, J.L.M.}
}
