@book {1991,
	title = {The Monocotyledons:a Comparative Study},
	year = {1982},
	pages = {378},
	publisher = {Academic Press},
	organization = {Academic Press},
	address = {London},
	keywords = {MONOCOTYLEDON},
	author = {Dahlgren, R. and Clifford, H. T.}
}
@book {1992,
	title = {The Families of the Monocotyledons: Structure, Evolution and Taxonomy},
	year = {1985},
	pages = {520},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {Berlin},
	keywords = {EVOLUTION, MONOCOTYLEDON, TAXONOMY},
	author = {Dahlgren, R. and Clifford, H. T. and Yeo, P. F.}
}
@article {1993,
	title = {Monocotyledon evolution: charactrers and phylogenetic estimation},
	journal = {Evolutionary Biology},
	volume = {16},
	year = {1982},
	pages = {255-395},
	keywords = {EVOLUTION, MONOCOTYLEDON},
	author = {Dahlgren, R. and Rasmussen, F. N.}
}
@article {1994,
	title = {Monocotyledon evolution:Characters and phylogenetic estimate},
	journal = {Evolutionary Biology},
	volume = {16},
	year = {1983},
	pages = {255-395},
	keywords = {CHARACTERS, CR REF, EVOLUTION, MONOCOTYLEDON},
	author = {Dahlgren, R. and Rasmussen, F. N.}
}
