be, arr. leuven, quercus robur, populus canadensis, alnus glutinosa, filipendula ulmaria, urtica dioica, angelica sylvestris, ranunculus repens, juncus effusus, lysimachia vulgaris, cirsium palustre, prunus serotina, poa trivialis, glechoma hederacea, sorbus aucuparia, holcus lanatus, galium aparine, sambucus nigra, heracleum sphondylium, fraxinus excelsior, galeopsis tetrahit, symphytum officinale, phalaris arundinacea, quercus rubra, cardamine pratensis, iris pseudacorus, lonicera periclymenum, humulus lupulus, lythrum salicaria, lycopus europaeus, athyrium filix-femina, phragmites australis, dryopteris carthusiana, solanum dulcamara, arrhenatherum elatius, corylus avellana, frangula alnus, galium palustre, valeriana excelsa, agrostis capillaris, betula pendula, alopecurus pratensis, equisetum palustre, acer pseudoplatanus, ribes rubrum, carex acutiformis, carex acuta, ficaria verna, calystegia sepium, scirpus sylvaticus, rumex acetosa