be, arr. sint-niklaas, urtica dioica, ranunculus repens, holcus lanatus, poa trivialis, cirsium arvense, populus canadensis, lolium perenne, galium aparine, agrostis stolonifera, juncus effusus, glechoma hederacea, quercus robur, rumex obtusifolius, alopecurus pratensis, phalaris arundinacea, stellaria media, elymus repens, trifolium repens, heracleum sphondylium, rumex acetosa, agrostis capillaris, arrhenatherum elatius, galeopsis tetrahit, symphytum officinale, persicaria hydropiper, sambucus nigra, cardamine pratensis, cerastium holosteoides, calystegia sepium, dactylis glomerata, ranunculus acris, phragmites australis, alnus glutinosa, plantago major, solanum dulcamara, cirsium palustre, alopecurus geniculatus, persicaria amphibia, poa annua, phleum pratense, angelica sylvestris, cerastium fontanum, anthriscus sylvestris, plantago lanceolata, lycopus europaeus, silene dioica, lythrum salicaria, equisetum arvense, humulus lupulus, filipendula ulmaria