@article {2970,
	title = {Flora vascular de la Isla Espa{\~n}ola: Burmanniaceae},
	journal = {Moscosoa},
	volume = {6},
	year = {1990},
	month = {1990///},
	pages = {134 - 139},
	author = {Maas, P. J. M. and Maas, H.}
}
@article {2884,
	title = {A new Thismia (Burmanniaceae) from French Guiana},
	journal = {Brittonia},
	volume = {39},
	year = {1987},
	month = {1987///},
	pages = {376 - 378},
	author = {Maas, H. and Maas, P. J. M.}
}
@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.}
}
@article {2815,
	title = {Ecuadorian saprophytes, a preliminary review},
	journal = {Opera Bot.},
	volume = {92},
	year = {1987},
	month = {1987///},
	pages = {131 - 145},
	author = {Maas, P. J. M. and Maas, H.}
}
