@book {4242,
	title = {Catalogue of New World Grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae},
	series = {Contributions from the United States National HErbarium 46: 1-662},
	year = {2003},
	keywords = {Aristidoideae, ARUNDINOIDEAE, Danthonioideae, Grasses, PANICOIDEAE, POACEAE, SUBFAMILIES, UNITED STATES, World Grasses},
	author = {Zuloaga, F. O., Morrone,O., Davidse, G., Filgueras, T.S., Peterson, P.M., Soreng, R.J., Judziewicz, E.},
	editor = {Soreng, R.J., Pennington, S.J.}
}
@book {3730,
	title = {Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae},
	series = {Contributions from the United States National Herbarium 48: 1-730},
	year = {2003},
	keywords = {Grasses, POACEAE, POOIDEAE, UNITED STATES, World Grasses},
	author = {Soreng, R., Peterson, P.M., Davidse,G, Judziewicz, E.J., Zuloaga, F.O., Filgueras, T.S., Morrone, O},
	editor = {Soreng, R.J.}
}
@book {2530,
	title = {Manual of the Grasses of the United States},
	year = {1950},
	publisher = {United Staes Government Printing Office},
	organization = {United Staes Government Printing Office},
	address = {Washington},
	keywords = {CLASSIFICATION, Grasses, UNITED STATES},
	author = {Hitchcock, A. S. and Chase, A.}
}
@book {2531,
	title = {A manual of the grasses of the United States},
	year = {1951},
	publisher = {US Printing Office},
	organization = {US Printing Office},
	address = {Washington,DC},
	keywords = {Grasses, POACEAE, UNITED STATES, USA},
	author = {Hitchcock, A. S. and Chase, A. rev}
}
