@inbook {3985,
	title = {Chorology of Mexican Grasses},
	booktitle = {Biological Diversity of Mexico: Origins and Distribution},
	year = {1993},
	pages = {439-446},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	address = {New York},
	keywords = {BIOGEOGRAPHY, CHOROLOGY, DISTRIBUTION, Grasses, Mexican Grasses, MEXICO, ORIGINS},
	author = {Valdes-Reyna, Jesus and Cordero, Ismael Cabral},
	editor = {Ramamoorhty, T. P. and Bye, Robert and Lot, Antonio and Fa, John}
}
@article {3643,
	title = {Parallelism and diversity in multiple origins of C4 photosynthesis in the grassfamily.},
	journal = {American Journal of Botany},
	volume = {83},
	year = {1997},
	pages = {1458-1470},
	keywords = {C4 Photosynthesis, ORIGINS, PHOTOSYNTHESIS},
	author = {Sinha, N.R. \& Kellogg, E.A.}
}
@inbook {3556,
	title = {Geographic origins, genetic diversity and the molecular clock hypothesis in the Oryzeae},
	booktitle = {Genetic differentiation and dispersal in plants},
	year = {1985},
	pages = {41-56},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {Heidelberg},
	keywords = {DISPERSAL, ORIGINS, ORYZEAE},
	author = {Second, G.},
	editor = {Jacquard, P.}
}
@article {3102,
	title = {Multiple origins promote the ecological amplitude of allopolyploid Aegilops (Poaceae)},
	journal = {American Journal of Botany},
	volume = {96},
	number = {7},
	year = {2009},
	pages = {1262-1273},
	keywords = {Aegilops, ORIGINS, POACEAE},
	author = {Meimberg,H. and Rice, K.J. and Milan< N.F. and Collins, C.N. and McKay, J.K.}
}
@conference {3056,
	title = {Reticulate evolution and origins of northern hemisphere allopolyploid Elymus (Triticeae)},
	booktitle = {IBC},
	year = {2005},
	address = {Vienna},
	keywords = {ELYMUS, EVOLUTION, ORIGINS, RETICULATE EVOLUTION, TRITICEAE},
	author = {Mason-Gamer, R.J.}
}
@article {2872,
	title = {Origins and relationshoips of tropical North America in the context of the boreotropics hypothesis},
	journal = {American Journal of Botany},
	volume = {80},
	year = {1993},
	pages = {1-14},
	keywords = {BIOGEOGRAPHY, CLADISTICS, NORTH AMERICA, ORIGINS},
	author = {Lavin, Matt and Luckow, Melissa}
}
@inbook {2667,
	title = {Maize evolution agricultural origins},
	booktitle = {Grass sytematics and evolution},
	year = {1987},
	pages = {195-216},
	publisher = {Smithsonian Institution Press},
	organization = {Smithsonian Institution Press},
	address = {Washington DC.},
	keywords = {EVOLUTION, INCOMPLETE, Maize, ORIGINS, ZEA},
	author = {Iltis, Hugh H.},
	editor = {Soderstrom, Thomas R. and et al}
}
@article {2334,
	title = {A molecular phylogeny of the grass subfamily Panicoideae (Poaceae) shows multiple origins of C4 Photosynthesis},
	journal = {American Journal of Botany},
	volume = {88},
	number = {11},
	year = {2001},
	pages = {1993-2012},
	keywords = {ORIGINS, PANICOIDEAE, PHOTOSYNTHESIS, PHYLOGENY, POACEAE},
	author = {Giussani, L., Hugo Cota-Sanchez, J, Zuluoaga, Fernado and Kellogg, Elizabeth}
}
@article {2336,
	title = {A molecular phylogeny of the subfamily Panicoideae (Poaceae) shows multiple origins of C4 photosynthesis},
	journal = {American Journal of Botany},
	volume = {88},
	year = {2001},
	pages = {1993-2012},
	keywords = {Cenchrus, ORIGINS, PANICEAE, PANICOIDEAE, PANICUM, PANICUM MAXIMUM, PASPALIDIUM, PASPALUM, PENNISETUM, PHOTOSYNTHESIS, PHYLOGENY, POACEAE, Setaria, THRAYSIA, UROCHLOA},
	author = {Giussani, Liliana M. and Cota-Sanchez, Hugo and Zuloaga, Fernando O. and Kellogg, Elizabeth A.}
}
@article {2088,
	title = {Differing ontogenetic origins of PCR ("Kranz") sheaths in leaf blades of C4 grasses (Poaceae)},
	journal = {American Journal of Botany},
	volume = {72},
	year = {1985},
	note = {Reprint; ; ;,},
	pages = {284-302},
	keywords = {ANATOMY, Grasses, KRANZ ANATOMY, ORIGINS, POACEAE},
	author = {Dengler, Nancy G. and Denglaer, Ronald E. and Hattersley, Paul W.}
}
@article {2089,
	title = {Differing ontogenetic origins of PCR ("kranz")sheaths in leaf-blades in C4 grasses (Poaceae)},
	journal = {American Journal of Botany},
	volume = {72},
	year = {1985},
	pages = {284-302},
	keywords = {ANATOMY, CR REF, Grasses, KRANZ ANATOMY, ORIGINS, POACEAE},
	author = {Dengler, W. G. and Dengler, R. E. and Hattersley, P. W.}
}
@inbook {2072,
	title = {Origins of polyploids},
	booktitle = {Polyploidy, Biological Relevance},
	year = {Submitted},
	pages = {3-15},
	publisher = {Plenum Press},
	organization = {Plenum Press},
	address = {New York and London},
	keywords = {INCOMPLETE, ORIGINS, POLYPLOIDY},
	author = {de Wet, J. M. J.},
	editor = {Lewis, Walter H.}
}
@book {2007,
	title = {Chromosome Botany and the Origins of Cultivated Plants},
	year = {1973},
	pages = {237},
	publisher = {George Allen \& Unwin},
	organization = {George Allen \& Unwin},
	edition = {3rd},
	address = {London},
	keywords = {CULTIVATED PLANTS, ORIGINS},
	author = {Darlinton, C. D.}
}
@inbook {1950,
	title = {Austalasian alpine grasses: diversification and specialization},
	booktitle = {Flora and Fauna of Alpine Australasia, Ages and Origins},
	year = {1986},
	note = {Reprint,, ;,},
	pages = {413-434},
	publisher = {CSIRO},
	organization = {CSIRO},
	address = {Canberra},
	keywords = {DISTRIBUTION, Grasses, ORIGINS},
	author = {Connor, H. E. and Edgar, E.},
	editor = {Barlow, Bryan A.}
}
@article {1896,
	title = {Monocotyledon classification with special refernce to the origin of the grasses (Poaceae)},
	journal = {Botanical Journal of the Linnean Society},
	volume = {63 (Supplement 1)},
	year = {1970},
	note = {In N.K.B.RObson, D.F.Cutler and M.Gregory, New Research in Plant Anatomy; ; ;,},
	pages = {25-34},
	keywords = {ANATOMY, CLASSIFICATION, Grasses, MONOCOTYLEDON, ORIGINS, POACEAE},
	author = {Clifford, H. T.}
}
@article {1686,
	title = {Variations in anatomy, associations and origins of Kranz tissue},
	journal = {American Journal of Botany},
	volume = {62},
	year = {1960},
	pages = {395-402},
	keywords = {ANATOMY, CR REF, KRANZ ANATOMY, ORIGINS},
	author = {Brown, W. V.}
}
