be, arr. leuven, quercus robur, urtica dioica, populus canadensis, quercus rubra, sambucus nigra, prunus serotina, glechoma hederacea, ranunculus repens, sorbus aucuparia, galium aparine, holcus lanatus, alnus glutinosa, fraxinus excelsior, poa trivialis, heracleum sphondylium, corylus avellana, lonicera periclymenum, betula pendula, galeopsis tetrahit, agrostis capillaris, angelica sylvestris, acer pseudoplatanus, frangula alnus, juncus effusus, filipendula ulmaria, arrhenatherum elatius, holcus mollis, crataegus monogyna, humulus lupulus, cirsium arvense, geum urbanum, dryopteris carthusiana, dryopteris dilatata, phalaris arundinacea, dactylis glomerata, athyrium filix-femina, ribes rubrum, hedera helix, symphytum officinale, cardamine pratensis, polygonatum multiflorum, prunus padus, rumex obtusifolius, lysimachia vulgaris, cirsium palustre, ficaria verna, castanea sativa, prunus avium, silene dioica, betula pubescens