@book {6147,
	title = {Color illustrated flora of Nippon, 8},
	year = {1969},
	month = {1969},
	pages = {1 - 295},
	publisher = {Koyo Shoin},
	organization = {Koyo Shoin},
	address = {Tokyo},
	author = {Masamune, G.}
}
@book {5952,
	title = {-Neottia ussuriensis-},
	series = {Ann. Univ. Sci. Budapest. Rolando E{\"o}tv{\"o}s, Sect. Biol. },
	volume = {11},
	year = {1969},
	month = {1969},
	author = {So{\'o}, K. R. von Bere}
}
@article {4784,
	title = {Certain salient features in the floral anatomy of Burmannia, Gymnosiphon and Thismia},
	journal = {J. Indian Bot. Soc.},
	volume = {48},
	year = {1969},
	month = {1969///},
	pages = {22 - 29},
	author = {Rao, V. S.}
}
@article {3079,
	title = {Fine structure of mycorrhiza in Neottia nidus-avis (L.) L. C. Rich. (Orchidaceae)},
	journal = {Planta},
	volume = {89},
	year = {1969},
	month = {1969///},
	pages = {372 - 375},
	author = {D{\"o}rr, I. and Kollmann, R.}
}
@article {2797,
	title = {Carbohydrate movement from autotrophs to heterotrophs in parasitic and mutualistic symbiosis},
	journal = {Biol. Rev.},
	volume = {44},
	year = {1969},
	month = {1969///},
	pages = {17 - 90},
	author = {Smith, D. and Muscatine, L. and Lewis, D.}
}
@book {2780,
	title = {The biology of mycorrhiza},
	series = {Plant Science Mongraphs},
	year = {1969},
	month = {1969///},
	publisher = {Hill},
	organization = {Hill},
	address = {London},
	author = {Harley, J. L.}
}
@article {2744,
	title = {Pollen morphology of saprophytic taxa in the Gentianaceae},
	journal = {Ann. Missouri Bot. Gard.},
	volume = {56},
	year = {1969},
	month = {1969///},
	pages = {420 - 438},
	author = {Nilsson, S. and Skvarla, J. J.}
}
