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