@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.}
}
