@book{8736,
	author = {Blake, S. F.},
	title = {Revisions of the genera Acanthospermum, Flourensia, Oyedaea, and Tithonia,},
	publisher = {Govt. print. off.,},
	year = {1921.},
	series = {Smithsonian institution. United States National museum. Contributions from the United States National herbarium,},
	address = {Washington,},
	note = {"Bulletin of the United States National museum."}
}