@article {7372,
	title = {Note compl{\'e}mentaire sur les Ambrosia adventices en Europe occidentale},
	journal = {Bull. Soc. Roy. Bot. Belg.},
	volume = {87},
	year = {1953},
	month = {1953///},
	pages = {207 - 208},
	author = {A. Lawalr{\'e}e}
}
