@article {2915,
	title = {The "forest floor" saprophytes Voyria spruceana and V. aphylla (Gentianaceae) growing as epiphytes in Colombian Amazonia},
	journal = {Ecotropica},
	volume = {3},
	year = {1997},
	month = {1997///},
	pages = {129 - 131},
	author = {Groenendijk, J. P. and Dulmen, A. T. J. van and Bouman, F.}
}
@article {2719,
	title = {Seed micromorphology},
	journal = {Flora Neotropica MonographVoyria and Voyriella (Saprophytic Gentianaceae)},
	volume = {41},
	year = {1986},
	month = {1986///},
	pages = {9 - 25},
	author = {Bouman, F. and Devente, N.},
	editor = {Maas, P. J. M. and Ruyters, P.}
}
@inbook {2720,
	title = {Seed structure in Voyria primuloides Baker (Gentianaceae): Taxonomic and ecological implications},
	booktitle = {Some Aspects and Actual Orientations in Plant Embryology},
	year = {1989},
	month = {1989///},
	pages = {261 - 270},
	publisher = {Univ. Press. Picardie},
	organization = {Univ. Press. Picardie},
	address = {Amiens},
	author = {Bouman, F. and Louis, A.},
	editor = {Par{\'e}, J. and Bugnicourt, M. and Mortier, J. and Juguet, M. and Vignon, F. and Vignon, J.}
}
