@book {3486,
	title = {Grasses of Hawaii},
	year = {1968},
	pages = {355},
	publisher = {University of Hawaii Press},
	organization = {University of Hawaii Press},
	address = {Honolulu},
	keywords = {Grasses, HAWAII},
	author = {Rotar, Peter P.}
}
@book {2819,
	title = {A check list of crosses in the Gramineae},
	year = {1968},
	publisher = {East Lancing},
	organization = {East Lancing},
	address = {Michigan},
	keywords = {CR REF, GRAMINEAE},
	author = {Knobloch, I. W.}
}
@book {2360,
	title = {Grass Systematics},
	year = {1968},
	pages = {397},
	publisher = {Texas A\&M University Press},
	organization = {Texas A\&M University Press},
	edition = {2nd},
	address = {College Station},
	keywords = {SYSTEMATICS},
	author = {Gould}
}
@book {1980,
	title = {The evolution and classification of flowering plants},
	year = {1968},
	publisher = {Nelson, London},
	organization = {Nelson, London},
	keywords = {CLASSIFICATION, EVOLUTION, INCOMPLETE},
	author = {Cronquist, Arthur}
}
