@article {19891,
	title = {Diagnoses of Hainan plants, II},
	journal = {Philippine Journal of Science},
	volume = {23},
	year = {1923},
	month = {09/1923},
	pages = {237-268},
	chapter = {237},
	url = {http://www.biodiversitylibrary.org/item/88959$\#$page/273/mode/1up},
	author = {Merrill, Elmer D}
}
@article {19848,
	title = {Notes on the Flora of Sumatra},
	journal = {Philippine Journal of Science},
	volume = {14},
	year = {1919},
	pages = {239-250},
	chapter = {239},
	url = {http://www.biodiversitylibrary.org/item/1124$\#$page/241/mode/1up},
	author = {Merrill, Elmer D}
}
