@book{8985,
	author = {Hitchcock, A. S.},
	title = {The North American species of Stipa;},
	publisher = {Govt. Print. Off.,},
	year = {1925.},
	series = {Smithsonian Institution. United States National Museum. Contributions from the United States National Herbarium.},
	address = {Washington,},
	note = {"Bulletin of the United States National Museum."}
}