@inbook {3437,
	title = {Tribe Exaceae},
	booktitle = {Gentianaceae: systematics and natural history},
	year = {2002},
	month = {2002///},
	pages = {66 - 108},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	address = {Cambridge},
	author = {Klackenberg, J.},
	editor = {Struwe, L. and Albert, V.}
}
@book {3153,
	title = {Gentianaceae. Systematics and natural history},
	year = {2002},
	month = {2002///},
	pages = {1 - 652},
	publisher = {Cambridge Univ. Press},
	organization = {Cambridge Univ. Press},
	address = {Cambridge, UK},
	author = {Struwe, L. and Albert, V.}
}
@article {2903,
	title = {Phylogeny and classification of Voyria (saprophytic Gentianaceae)},
	journal = {Brittonia},
	volume = {49},
	year = {1997},
	month = {1997///},
	pages = {466 - 479},
	author = {Albert, V. A. and Struwe, L.}
}
@article {2823,
	title = {Morphological cladistics of Gentianaceae. III. Phylogeny and biogeography of the saprophytic tribe Voyrieae},
	journal = {Amer. J. Bot. (Suppl.)},
	volume = {83},
	year = {1996},
	month = {1996///},
	pages = {135},
	author = {Albert, V. A. and Struwe, L.}
}
@article {2817,
	title = {Morphological cladistics of Gentianaceae. I. Phylogeny and character evolution with emphasis on woody taxa of the neotropics},
	journal = {Amer. J. Bot. (Suppl.)},
	volume = {83},
	year = {1996},
	month = {1996///},
	pages = {195},
	author = {Struwe, L. and Albert, V. A.}
}
