be, arr. leuven, quercus robur, quercus rubra, prunus serotina, juncus effusus, holcus lanatus, populus canadensis, ranunculus repens, agrostis capillaris, urtica dioica, lonicera periclymenum, angelica sylvestris, sorbus aucuparia, alnus glutinosa, cirsium palustre, juncus acutiflorus, galeopsis tetrahit, castanea sativa, rumex acetosa, filipendula ulmaria, heracleum sphondylium, betula pendula, frangula alnus, poa trivialis, holcus mollis, stellaria graminea, lysimachia vulgaris, arrhenatherum elatius, corylus avellana, cerastium fontanum, cardamine pratensis, cirsium arvense, alopecurus pratensis, ranunculus acris, sambucus nigra, lotus pedunculatus, molinia caerulea, galium aparine, anthoxanthum odoratum, juncus conglomeratus, athyrium filix-femina, glechoma hederacea, fraxinus excelsior, equisetum palustre, dryopteris carthusiana, persicaria hydropiper, hypericum dubium, silene flos-cuculi, dryopteris dilatata, juncus tenuis, acer pseudoplatanus