@article {806,
	title = {Halodule emarginata nov. sp., a new sea-grass from Brazil (Potamogetonaceae)},
	journal = {Blumea},
	volume = {18},
	year = {1970},
	pages = {65-66},
	author = {den Hartog, C.}
}
@article {270,
	title = {Range extension of Halophila stipulacea (Hydrocharitaceae) in the Mediterranean},
	journal = {Blumea},
	volume = {20},
	year = {1972},
	pages = {154},
	author = {denHartog, C.}
}
@article {78,
	title = {An approach to the taxonomy of the sea-grass genus Halodule Endl. (Potamogetonaceae)},
	journal = {Blumea},
	volume = {12},
	year = {1964},
	pages = {289-312},
	url = {https://www.repository.naturalis.nl/document/566273},
	author = {denHartog, C.}
}
