@book{9023,
	author = {Piper, Charles V.},
	title = {Studies in American Phaseolineae,},
	publisher = {Govt. Print. Off.,},
	year = {1926.},
	series = {Smithsonian Institution. United States National Museum. Contributions from the United States National Herbarium.},
	address = {Washington,},
	note = {Issued June 12, 1926.}
}