be, arr. sint-niklaas, urtica dioica, populus canadensis, symphytum officinale, ranunculus repens, alnus glutinosa, glechoma hederacea, filipendula ulmaria, galium aparine, poa trivialis, lythrum salicaria, heracleum sphondylium, humulus lupulus, phragmites australis, holcus lanatus, phalaris arundinacea, cirsium arvense, iris pseudacorus, calystegia sepium, solanum dulcamara, angelica sylvestris, quercus robur, galeopsis tetrahit, juncus effusus, sambucus nigra, lycopus europaeus, fraxinus excelsior, eupatorium cannabinum, lysimachia vulgaris, cardamine pratensis, persicaria hydropiper, arrhenatherum elatius, cirsium palustre, rumex obtusifolius, epilobium hirsutum, alopecurus pratensis, agrostis stolonifera, ribes rubrum, lolium perenne, galium palustre, silene dioica, crataegus monogyna, stellaria media, alnus incana, corylus avellana, impatiens glandulifera, viburnum opulus, salix cinerea, bidens frondosa, ficaria verna, equisetum palustre