@article {8424,
	title = {Conyza-taxa found in Britain},
	journal = {Watsonia},
	volume = {9},
	year = {1973},
	month = {1973///},
	pages = {372 - 373},
	author = {J.B. Marshall}
}
@article {8073,
	title = {D{\'e}couverte d{\textquoteright}une deuxi{\`e}me localit{\'e} de Verbesina alternifolia (L.) Britton, compos{\'e}e radi{\'e}e},
	journal = {Monde Pl},
	volume = {377},
	year = {1973},
	month = {1973///},
	author = {A. Schneider}
}
@article {8108,
	title = {Excursion du 18 ao{\^u}t 1973 dans la r{\'e}gion au nord-ouest de Charleroi {\`a} Souvret et Goutroux},
	journal = {Nat. Mosana},
	volume = {26},
	year = {1973},
	month = {1973///},
	pages = {132 - 135},
	author = {J. Lebeau}
}
@article {7878,
	title = {Medicago sativa in Mitteleuropa angebaut und verwildert?},
	journal = {G{\"o}tt. Florist. Rundbr.},
	volume = {7},
	year = {1973},
	month = {1973///},
	pages = {9 - 13},
	author = {H. Vollrath}
}
@article {7833,
	title = {Petasites japonicus},
	journal = {Glasgow Naturalist},
	volume = {19},
	year = {1973},
	month = {1973///},
	author = {P. MacPherson}
}
@article {7652,
	title = {Infrageneric classification of Hesperis L},
	journal = {Feddes Repert},
	volume = {84},
	year = {1973},
	month = {1973///},
	pages = {259 - 271},
	author = {F. Dvo_{\'a}k}
}
@article {7361,
	title = {Le baguenaudier (Colutea arborescens L.) en Lorraine},
	journal = {Bull. Soc. Bot. France},
	volume = {118},
	year = {1973},
	month = {1973///},
	pages = {837 - 840},
	author = {J. Timbal}
}
@article {7340,
	title = {Bidens vulgata Greene in Yugoslavia},
	journal = {Bull. Inst. Jard. Bot. Univ. Beograd},
	volume = {8},
	year = {1973},
	month = {1973///},
	pages = {125 - 128},
	author = {B. Tatic and W. Zukowski}
}
@article {7356,
	title = {Introduction d_une nouvelle Gramin{\'e}e en France: Panicum dichotomiflorum Michx},
	journal = {Bull. Soc. Bot. Fr.},
	volume = {120},
	year = {1973},
	month = {1973///},
	pages = {223 - 226},
	author = {J. Le Clerch}
}
@article {7427,
	title = {On three adventive species of Conyza (Compositae) in Greece},
	journal = {Candollea},
	volume = {31},
	year = {1973},
	month = {1973///},
	pages = {107 - 109},
	author = {A. Danin}
}
@article {7337,
	title = {The genus Panicum Linn. in India},
	journal = {Bull. Bot. Soc. Bengal},
	volume = {27},
	year = {1973},
	month = {1973///},
	pages = {39 - 54},
	author = {R.B. Majumdar}
}
@article {7171,
	title = {Drawings of Scandinavian plants: 86-88. Chenopodium L},
	journal = {Bot. Notiser},
	volume = {126},
	year = {1973},
	month = {1973///},
	pages = {135 - 141},
	author = {L. Engstrand and M. Gustafsson}
}
@article {7153,
	title = {Bl{\"u}tenmorphologische und embryologische Untersuchungen an Chenopodiaceae: Monolepis trifida Schrad},
	journal = {Bot. Jahrb},
	volume = {93},
	year = {1973},
	month = {1973///},
	pages = {481 - 497},
	author = {M.I. Hakki}
}
@article {7101,
	title = {A revision of Digitaria in Malesia},
	journal = {Blumea},
	volume = {21},
	year = {1973},
	month = {1973///},
	pages = {1 - 80},
	author = {J.F. Veldkamp}
}
@article {7094,
	title = {Chorisporatenella (Pall.) DC., nov{\'y}druhslovenskejfl{\'o}ry},
	journal = {Biologia, A (Czechoslovakia) 28},
	year = {1973},
	month = {1973///},
	pages = {73 - 76},
	author = {V. M{\'a}jovsk{\'y} J. \&Fer{\'a}kov{\'a}}
}
@article {6901,
	title = {Natural hybridization in Ipomoea (Convolvulaceae)},
	journal = {Amer. J. Bot.},
	volume = {60},
	year = {1973},
	month = {1973///},
	pages = {33 - 34},
	author = {Abel, W.E. and Austin, D.F.}
}
