@book{7517,
	author = {Clarke, Charles Baron,},
	title = {The Cyperaceae of Costa Rica,},
	publisher = {Govt. print. off.,},
	year = {1907.},
	series = {Smithsonian institution. United States national museum. Contributions from the United States national herbarium.},
	address = {Washington,},
	note = {"Bulletin of the United States national museum. Issued January 21, 1908."}
}