@conference {8707,
	title = {Ornamentals and invasive plants: if you choose one you get the other as well},
	booktitle = {Mini symposium on aliens and invasive species},
	year = {2013},
	month = {2013},
	publisher = {National Botanic Garden of Belgium},
	organization = {National Botanic Garden of Belgium},
	address = {National Botanic Garden of Belgium, Domein van Bouchout, B-1860 Meise, Belgium},
	author = {Ivan Hoste}
}
@conference {8705,
	title = {An Inventory of aliens escaping from culture in the National Botanic Garden of Belgium},
	booktitle = {Mini symposium on aliens and invasive species},
	year = {2013},
	publisher = {National Botanic Garden of Belgium},
	organization = {National Botanic Garden of Belgium},
	address = {National Botanic Garden of Belgium, Bouchout Castle},
	author = {Anne Ronse}
}
