@article {7370,
	title = {Note sur un Amaranthus adventice},
	journal = {Bull. Soc. Roy. Bot. Belg.},
	volume = {80},
	year = {1948},
	month = {1948///},
	pages = {68 - 69},
	author = {A. Lawalr{\'e}e}
}
@article {7371,
	title = {Adventices int{\'e}ressantes de notre pays},
	journal = {Bull. Soc. Roy. Bot. Belg.},
	volume = {81},
	year = {1949},
	month = {1949///},
	pages = {40 - 44},
	author = {A. Lawalr{\'e}e}
}
@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}
}
