@article {3083,
	title = {Application de quelques techniques cytochimiques {\`a}  l{\textquoteright}{\'e}tude des interfaces des ectendomycorhizes de Monotrope (Monotropa hypopitys L.)},
	journal = {Acta Bot. Gallica},
	volume = {140},
	year = {1993},
	month = {1993///},
	pages = {459 - 472},
	author = {Dexheimer, J. and G{\'e}rard, J.}
}
@article {2933,
	title = {Pattern of embryo and endosperm formation in Monotropa hypopitys (Monotropaceae) from North America and western Sweden},
	journal = {Amer. J. Bot.},
	volume = {80},
	year = {1993},
	month = {1993///},
	pages = {839 - 846},
	author = {Olson, A. R.}
}
