@article {867,
	title = {Flora of China},
	year = {Submitted},
	author = {Flora of China committee}
}
@article {868,
	title = { Flora of North America North of Mexico},
	year = {Submitted},
	address = { New York and Oxford.},
	author = {Flora of North America Editorial Committee}
}
@article {870,
	title = {International Plant Names Index (IPNI)<br/>},
	year = {Submitted},
	author = {IPNI committee}
}
@article {874,
	title = {World Checklist of Selected Plant Families},
	number = {1-7-2019},
	publisher = { the Royal Botanic Gardens, Kew},
	address = { http://wcsp.science.kew.org/ },
	author = {WCSP}
}
