@book {3411,
	title = {{\"U}ber die Pirolaceen-Gattung Monotropastrum H. Andr.},
	series = {Notizbl. Bot. Gart. Berlin-Dahlem},
	volume = {12},
	year = {1935},
	month = {1935///},
	pages = {696 - 699},
	author = {Andres, H.}
}
@book {3423,
	title = {Flora Boreali-Americana, Vol. 2},
	year = {1840},
	month = {1840///},
	pages = { - 48},
	author = {Hooker, W. J.}
}
@book {3403,
	title = {Beitr{\"a}ge zur Kenntnis der Afrikanischen-Flora, Gentianaceae, Versuch einer monographischen Uebersicht: 1. der Gattung Sebaea R. Br. und 2. der Gattung Exochaenium Griseb.},
	series = {Bull. de l{\textquoteright}Herb. Boissier, Ser. 2},
	volume = {6},
	year = {1906},
	month = {1906///},
	pages = {714-746, 801- - 823},
	author = {Schinz, H.}
}
@book {3322,
	title = {100. Polygalaceae},
	series = {The genera of flowering plants},
	volume = {Volume II},
	year = {1967},
	month = {1967///},
	pages = {336 - 344},
	publisher = {Clarendon Press},
	organization = {Clarendon Press},
	address = {Oxford},
	author = {Hutchinson, J.}
}
@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.}
}
@book {3047,
	title = {Monotropa uniflora},
	series = {Exotic Flora, Vol. II},
	year = {1825},
	month = {1825///},
	pages = {Pl. 85},
	publisher = {Blackwood},
	organization = {Blackwood},
	address = {Edinburgh},
	author = {Hooker, W.}
}
@book {2995,
	title = {Die Biologie von Monotropa hypopitys L. und Neottia nidus avis L. unter vergleichender Hinzuziehung anderer Orchideen},
	year = {1873},
	month = {1873///},
	publisher = {Dieterich{\textquoteright}sche Univ. Buchdruckerei},
	organization = {Dieterich{\textquoteright}sche Univ. Buchdruckerei},
	address = {G{\"o}ttingen},
	author = {Drude, O.}
}
@book {2879,
	title = {Evolution of the arbuscular mycorrhiza (AM) in the Gentianales},
	series = {Second International Congress on Symbiosis, April 13-18, 1997},
	year = {1997},
	month = {1997///},
	pages = {89},
	publisher = {Marine Biological Laboratory},
	organization = {Marine Biological Laboratory},
	address = {Woods Hole, MA},
	author = {Weber, H. C. and Imhof, S. and Kendzior, B.}
}
@book {2847,
	title = {Mycorrhizal symbiosis. Section 3: Mycorrhizas in the ericales},
	year = {1997},
	month = {1997///},
	pages = {299 - 346},
	publisher = {Acad. Press},
	organization = {Acad. Press},
	address = {San Diego},
	author = {Smith, S. E. and Read, D. J.}
}
@book {2773,
	title = {On the metabolism of Monotropa hypopitys},
	series = {Proc. IX Int. Bot. Congress, Montreal},
	year = {1959},
	month = {1959///},
	pages = {35 - 36},
	author = {Bj{\"o}rkman, E.}
}
@book {2770,
	title = {Voyria tenella Hook. (Gentianaceae): Endglied einer bemerkenswerten Progressionsreihe mycotropher Lebensweisen},
	series = {Botanikertagung 1994},
	year = {1994},
	month = {1994///},
	pages = {229},
	address = {Bayreuth},
	author = {Weber, H. C. and Imhof, S. and Kendzior, B.}
}
@book {2738,
	title = {A flora of tropical Florida},
	year = {1971},
	month = {1971///},
	publisher = {Univ. Miami Press},
	organization = {Univ. Miami Press},
	address = {Coral Gable, Florida},
	author = {Long, R. W. and Lakela, O.}
}
@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.}
}
@book {2731,
	title = {Gentianaceae},
	series = {Chemotaxonomie der Pflanzen},
	volume = {4},
	year = {1966},
	month = {1966///},
	pages = {176 - 192},
	publisher = {Birkh{\"a}user},
	organization = {Birkh{\"a}user},
	address = {Basel, Stuttgart},
	author = {Hegnauer, R.}
}
@book {2717,
	title = {Voyria},
	series = {Histoire des plantes de la Guiane francoise},
	volume = {1},
	year = {1775},
	month = {1775///},
	pages = {208 - 211},
	publisher = {P.-F. Didot jeune},
	organization = {P.-F. Didot jeune},
	address = {London, Paris},
	author = {Aublet, J. B.}
}
