@inbook {4711,
	title = {Nova genera et species III - Burmanniaceae},
	booktitle = {Symbolyae Antillanae seu Fundamenta Florae Indiae Occidentalis},
	volume = {5(2)},
	year = {1907},
	month = {1907///},
	pages = {293 - 294},
	publisher = {Fratres Borntraeger},
	organization = {Fratres Borntraeger},
	address = {Lipsiae},
	author = {Urban, I.}
}
@inbook {4491,
	title = {Burmanniaceae},
	booktitle = {Symbolyae Antillanae seu Fundamenta Florae Indiae Occidentalis},
	volume = {3(3)},
	year = {1903},
	pages = {430 - 452},
	publisher = {Fratres Borntraeger},
	organization = {Fratres Borntraeger},
	address = {Lipsiae},
	author = {Urban, I.},
	editor = {Urban, I.}
}
@inbook {4181,
	title = {Gentianaceae},
	booktitle = {Symbolyae Antillanae seu Fundamenta Florae Indiae Occidentalis},
	volume = {7(2)},
	year = {1912},
	month = {1912///},
	pages = {332 - 333},
	publisher = {Fratres Borntraeger},
	organization = {Fratres Borntraeger},
	address = {Lipsiae},
	author = {Urban, I.},
	editor = {Urban, I.}
}
