@article {7388,
	title = {Sur l{\textquoteright}extension r{\'e}cente et les caract{\`e}res des v{\'e}g{\'e}tations {\`a} Cotula coronopifolia L. (Compos{\'e}es) des rives du Trieux},
	journal = {Bull. Soc. Sci. Bretagne},
	volume = {31},
	year = {1958},
	month = {1958///},
	pages = {102 - 106},
	author = {R. Corillion and C. Lollierou}
}
@article {7373,
	title = {Florule adventice de la vall{\'e}e de la Vesdre},
	journal = {Bull. Soc. Roy. Bot. Belg.},
	volume = {90},
	year = {1958},
	month = {1958///},
	pages = {287 - 305},
	author = {A. Vis{\'e}}
}
@article {6842,
	title = {Het geslacht Medicago in Nederland en Belgi{\"e}},
	journal = {Acta Bot. Neerl},
	volume = {7},
	year = {1958},
	month = {1958///},
	pages = {90 - 123},
	author = {S.J. Van Ooststroom and Th.J. Reichgelt}
}
