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