be, arr. leuven, quercus robur, quercus rubra, prunus serotina, sorbus aucuparia, frangula alnus, lonicera periclymenum, betula pendula, agrostis capillaris, holcus lanatus, castanea sativa, pinus sylvestris, juncus effusus, holcus mollis, molinia caerulea, avenella flexuosa, deschampsia flexuosa, amelanchier lamarckii, teucrium scorodonia, ranunculus repens, corylus avellana, calluna vulgaris, dryopteris carthusiana, vaccinium myrtillus, dryopteris dilatata, rumex acetosa, sambucus nigra, betula pubescens, galeopsis tetrahit, arrhenatherum elatius, alnus glutinosa, populus canadensis, urtica dioica, anthoxanthum odoratum, rumex angiocarpus, carex pilulifera, polygonatum multiflorum, rumex acetosella, stellaria graminea, cytisus scoparius, angelica sylvestris, acer pseudoplatanus, hypericum perforatum, athyrium filix-femina, heracleum sphondylium, hieracium umbellatum, pteridium aquilinum, poa trivialis, silene coronaria, cirsium palustre, juncus acutiflorus