@article {6921,
	title = {An ordinal classification for the families of flowering plants},
	journal = {Ann. Missouri Bot. Gard},
	volume = {85},
	year = {1998},
	month = {1998///},
	pages = {531 - 553},
	author = {A.P.G}
}
@article {6922,
	title = {Taxonomic revision of Geranium sections Batrachioidea and Divaricata (Geraniaceae)},
	journal = {Ann. Missouri Bot. Gard},
	volume = {85},
	year = {1998},
	month = {1998///},
	pages = {594 - 630},
	author = {C. Aedo and J.J. Aldasoro and C. Navarro}
}
@article {6923,
	title = {A revision of the genus Schkuhria},
	journal = {Ann. Missouri Bot. Gard},
	volume = {32},
	year = {1945},
	month = {1945///},
	pages = {265 - 278},
	author = {C.B. Heiser}
}
@article {6924,
	title = {Revision of the north and central American hexandrous species of Aristolochia (Aristolochiaceae)},
	journal = {Ann. Missouri Bot. Gard},
	volume = {53},
	year = {1966},
	month = {1966///},
	pages = {115 - 196},
	author = {H.W. Pfeifer}
}
@article {6925,
	title = {The grain amaranths and their relatives: a revised taxonomic and geographic survey},
	journal = {Ann. Missouri Bot. Gard},
	volume = {54},
	year = {1967},
	month = {1967///},
	pages = {103 - 137},
	author = {J.D. Sauer}
}
@article {6926,
	title = {Palynotaxonomic study of the Phytolaccaceae},
	journal = {Ann. Missouri Bot. Gard},
	volume = {55},
	year = {1968},
	month = {1968///},
	pages = {294 - 364},
	author = {J.W. Nowicke}
}
@article {6927,
	title = {Systematics of Eleusine Gaertn. (Poaceae, Chloridoideae): Chloroplast DNA and total evidence},
	journal = {Ann. Missouri Bot. Gard},
	volume = {84},
	year = {1997},
	month = {1997///},
	pages = {841 - 847},
	author = {K.W. Hilu and J.L. Johnson}
}
@article {6928,
	title = {Revision of Berberis (Berberidaceae) in Chile and adjacent southern Argentina},
	journal = {Ann. Missouri Bot. Gard},
	volume = {86},
	year = {1999},
	month = {1999///},
	pages = {793 - 834},
	author = {L.R. Landrum}
}
@article {6929,
	title = {A monograph of the genus Ageratum L. (Compositae-Eupatorieae)},
	journal = {Ann. Missouri Bot. Gard},
	volume = {58},
	year = {1971},
	month = {1971///},
	pages = {6 - 88},
	author = {M.F. Johnson}
}
@article {6930,
	title = {The paraphyly of Cortaderia (Danthonioideae; Poaceae): Evidence from morphology, chloroplast and nuclear DNA sequence data},
	journal = {Ann. Missouri Bot. Gard},
	volume = {90},
	year = {2003},
	month = {2003///},
	pages = {1 - 24},
	author = {N.P. Barker and H.P. Linder and C.M. Morton and M. Lyle}
}
@article {6931,
	title = {The North American species of Asclepias L},
	journal = {Ann. Missouri Bot. Gard},
	volume = {41},
	year = {1954},
	month = {1954///},
	pages = {1 - 211},
	author = {R.E. Woodson}
}
