be, arr. sint-niklaas, urtica dioica, poa trivialis, cirsium arvense, ranunculus repens, populus canadensis, phragmites australis, symphytum officinale, galium aparine, phalaris arundinacea, holcus lanatus, calystegia sepium, glechoma hederacea, heracleum sphondylium, epilobium hirsutum, lycopus europaeus, agrostis stolonifera, filipendula ulmaria, rumex obtusifolius, juncus effusus, angelica sylvestris, lythrum salicaria, solanum dulcamara, galeopsis tetrahit, arrhenatherum elatius, alopecurus pratensis, persicaria hydropiper, iris pseudacorus, cardamine pratensis, sambucus nigra, eupatorium cannabinum, alnus glutinosa, stellaria media, lolium perenne, cirsium palustre, persicaria amphibia, elymus repens, lysimachia vulgaris, anthriscus sylvestris, glyceria maxima, dactylis glomerata, equisetum arvense, carex acuta, epilobium ciliatum, rumex acetosa, equisetum palustre, galium palustre, humulus lupulus, trifolium repens, impatiens glandulifera, rumex crispus