@article {dum3383,
	title = {Polypogon maritimus, een miskende neofyt in Belgi{\"e}},
	journal = {Dumortiera},
	volume = {93},
	year = {2008},
	month = {04/2008},
	pages = {26-28},
	chapter = {26},
	author = {Filip Verloove and Dirk De Beer and Bart van de Vijver and Walter Suys}
}
@article {90,
	title = {Myriophyllum heterophyllum, een nieuwe invasieve waterplant},
	journal = {Dumortiera},
	volume = {94},
	year = {2008},
	pages = {8-13},
	chapter = {8},
	abstract = {Myriophyllum heterophyllum, a new aquatic invasive exotic species. In the Anti-tank Ditch ({\textquoteright}Antitankgracht{\textquoteright})
north-east of Antwerp a large population of Myriophyllum heterophyllum Michaux was discovered. Further research indicated this species is present at other locations in the province of Antwerp. Vegetative differences with native species of Myriophyllum are discussed.},
	author = {Dirk De Beer and Rembrandt De Vlaeminck}
}
