be, arr. sint-niklaas, urtica dioica, phragmites australis, poa trivialis, agrostis stolonifera, cirsium arvense, holcus lanatus, ranunculus repens, lycopus europaeus, galium aparine, epilobium hirsutum, juncus effusus, calystegia sepium, solanum dulcamara, phalaris arundinacea, lolium perenne, lythrum salicaria, persicaria hydropiper, eupatorium cannabinum, cardamine pratensis, populus canadensis, stellaria media, iris pseudacorus, trifolium repens, sambucus nigra, alnus glutinosa, rumex obtusifolius, symphytum officinale, glechoma hederacea, galium palustre, heracleum sphondylium, elymus repens, epilobium ciliatum, angelica sylvestris, poa annua, cirsium palustre, dactylis glomerata, plantago major, alopecurus geniculatus, galeopsis tetrahit, arrhenatherum elatius, glyceria maxima, myosotis scorpioides, persicaria amphibia, rumex acetosa, quercus robur, rumex conglomeratus, rumex crispus, persicaria maculosa, cirsium vulgare, typha latifolia