@book {19887,
	title = {Prodromus Florae Nepalensis},
	year = {1825},
	publisher = {J. Gale},
	organization = {J. Gale},
	address = {London},
	url = {http://www.biodiversitylibrary.org/item/1820$\#$page/2/mode/1up},
	author = {Don, David}
}
@book {19870,
	title = {Flora Hongkongensis},
	year = {1861},
	publisher = {Lovell Reeve},
	organization = {Lovell Reeve},
	address = {London},
	url = {http://www.biodiversitylibrary.org/item/63955$\#$page/367/mode/1up},
	author = {Bentham, George}
}
