@article {3256,
	title = {Features of endomycorrhizal infection of chlorophyll-free and green forms of Epipactis helleborine (Orchidaceae)},
	journal = {Annals Botanici Fennici},
	volume = {26},
	year = {1989},
	month = {1989///},
	pages = {15 - 26},
	author = {Salmia, A.}
}
@article {2972,
	title = {A new species of Oxygyne (Burmaniaceae) found in Shikoku, Japan},
	journal = {J. Jap. Bot.},
	volume = {64},
	year = {1989},
	month = {1989///},
	pages = {161 - 164},
	author = {Abe, C. and Akasawa, Y.}
}
@inbook {2865,
	title = {Burmanniaceae},
	booktitle = {Flora of the Guianas, Series A: Phanerogams},
	volume = {6},
	year = {1989},
	month = {1989///},
	pages = {3 - 43},
	publisher = {Koeltz Scientific Books},
	organization = {Koeltz Scientific Books},
	address = {Koenigstein},
	author = {Maas, P. J. M. and Maas-van de Kamer, H.},
	editor = {G{\"o}rts-van Rijn, A. R. A.}
}
@article {2870,
	title = {Flora of the Venezuelan Guyana. VII. Burmanniaceae},
	journal = {Ann. Missouri Bot. Gard.},
	volume = {76},
	year = {1989},
	month = {1989///},
	pages = {956 - 958},
	author = {Maas, P. J. M. and Maas, H.}
}
@inbook {2739,
	title = {Triuridaceae},
	booktitle = {Flora of the Guianas, Series A: Phanerogams},
	volume = {5},
	year = {1989},
	month = {1989///},
	pages = {3 - 16},
	publisher = {Koeltz Scientific Books},
	organization = {Koeltz Scientific Books},
	address = {Koenigstein},
	author = {Maas, P. and Maas-van de Kamer, H.},
	editor = {G{\"o}rts-van Rijn, A. R. A.}
}
