Manual of the Alien Plants of Belgium: http://alienplantsbelgium.be/

Belgian Forum on Invasive Species: http://ias.biodiversity.be/

Alien-CSI: https://alien-csi.eu/

European Network on Invasive Alien Species (NOBANIS): https://www.nobanis.org/

European Alien Species Information Network: https://easin.jrc.ec.europa.eu/easin

contactgegevens: groenepioniers@plantentuinmeise.be