@article {2514,
	title = {Systematics of Gramineae: a cluster analysis study},
	journal = {Taxon},
	volume = {31},
	year = {1982},
	pages = {9-36},
	keywords = {CLASSIFICATION, GRAMINEAE, SYSTEMATICS},
	author = {Hilu, K. W. and Wright, K.}
}
@inbook {2189,
	title = {Concepts of Taxa in the Poaceae},
	year = {1987},
	pages = {325-333},
	publisher = {Smithsonian Instution Press},
	organization = {Smithsonian Instution Press},
	address = {Washington DC},
	keywords = {CLADISTICS, CLASSIFICATION, INCOMPLETE, POACEAE},
	author = {Estes, J. R. and Tyrl, R. J.},
	editor = {Soderstrom, T. R. and Hilu, K. W. and Campbell, C. S. and Barkworth, M. E.}
}
