be, arr. leuven, pinus sylvestris, quercus rubra, betula pendula, prunus serotina, quercus robur, castanea sativa, sorbus aucuparia, fagus sylvatica, avenella flexuosa, vaccinium myrtillus, carex pilulifera, molinia caerulea, deschampsia flexuosa, frangula alnus, calluna vulgaris, teucrium scorodonia, dryopteris carthusiana, dryopteris dilatata, lonicera periclymenum, pinus nigra, pteridium aquilinum, agrostis capillaris, betula pubescens, ilex aquifolium, juncus effusus, acer pseudoplatanus, pseudotsuga menziesii, holcus mollis, quercus petraea, rumex angiocarpus, salix caprea, corylus avellana, cytisus scoparius, rumex acetosella, holcus lanatus, picea abies, juncus conglomeratus, convallaria majalis, athyrium filix-femina, luzula pilosa, larix kaempferi, calamagrostis epigejos, luzula multiflora, hedera helix, sambucus nigra, amelanchier lamarckii, moehringia trinervia, hypericum perforatum, galium saxatile, festuca filiformis