@article {3365,
	title = {Wide geographical and ecological distribution of nitrogen and carbon gains from fungi in pyroloids and monotropoids (Ericaceae) and in orchids},
	journal = {New Phytol.},
	volume = {175},
	year = {2007},
	month = {2007///},
	pages = {166 - 175},
	author = {Zimmer, K. and Hynson, N. A. and Gebauer, G. and Allen, E. B. and Allen, M. F. and Read, D. J.}
}
@article {3346,
	title = {The ectomycorrhizal specialist orchid Corallorhiza trifida is a partial myco-heterotroph},
	journal = {New Phytol.},
	volume = {178},
	year = {2008},
	month = {2008///},
	pages = {395 - 400},
	author = {Zimmer, K. and Meyer, C. and Gebauer, G.}
}
