@book{9600,
	author = {Morton, Conrad Vernon,},
	title = {The Mexican and Central American species of Viburnum.},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1933.},
	series = {Smithsonian Institution. United States National Museum.  Contributions from the United States National Herbarium,},
	address = {Washington,},
	note = {Issued November 16, 1933.}
}