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