@article {2541,
	title = {Three new species of Typhonium (Araceae) from Vietnam},
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	volume = {24},
	year = {2001},
	pages = {24{\textendash}29},
	author = {Hetterscheid, WLA and Nguyen, VD}
}
@article {2507,
	title = {Notes on the genus Amorphophallus (Araceae): 2. New species from tropical Asia},
	journal = {Blumea},
	volume = {39},
	year = {1994},
	pages = {237{\textendash}281},
	author = {Hetterscheid, WLA}
}
