@article {simpson2001cyperaceae,
	title = {Cyperaceae of economic, ethnobotanical and horticultural importance: a checklist},
	journal = {Kew Bulletin},
	year = {2001},
	pages = {257{\textendash}360},
	publisher = {JSTOR},
	author = {Simpson, David A and Inglis, Cecilia A}
}
@article {mays2001comparison,
	title = {Comparison of heavy metal accumulation in a natural wetland and constructed wetlands receiving acid mine drainage},
	journal = {Ecological engineering},
	volume = {16},
	number = {4},
	year = {2001},
	pages = {487{\textendash}500},
	publisher = {Elsevier},
	author = {Mays, PA and Edwards, GS}
}
