be, arr. leuven, quercus robur, populus canadensis, ranunculus repens, angelica sylvestris, urtica dioica, glechoma hederacea, filipendula ulmaria, holcus lanatus, juncus effusus, cirsium arvense, poa trivialis, heracleum sphondylium, alnus glutinosa, galeopsis tetrahit, symphytum officinale, alopecurus pratensis, galium aparine, arrhenatherum elatius, cirsium palustre, fraxinus excelsior, cardamine pratensis, sambucus nigra, agrostis capillaris, phalaris arundinacea, lysimachia vulgaris, crataegus monogyna, ranunculus acris, rumex acetosa, lythrum salicaria, iris pseudacorus, betula pendula, phragmites australis, corylus avellana, stellaria graminea, calystegia sepium, prunus serotina, lycopus europaeus, ribes rubrum, carex acuta, geum urbanum, humulus lupulus, ficaria verna, dactylis glomerata, acer pseudoplatanus, persicaria hydropiper, galium palustre, rumex obtusifolius, silene flos-cuculi, lonicera periclymenum, sorbus aucuparia