be, arr. leuven, castanea sativa, quercus rubra, quercus robur, prunus serotina, sorbus aucuparia, pinus sylvestris, betula pendula, vaccinium myrtillus, fagus sylvatica, frangula alnus, lonicera periclymenum, carex pilulifera, deschampsia flexuosa, avenella flexuosa, molinia caerulea, dryopteris dilatata, calluna vulgaris, teucrium scorodonia, pteridium aquilinum, dryopteris carthusiana, betula pubescens, acer pseudoplatanus, ilex aquifolium, amelanchier lamarckii, agrostis capillaris, corylus avellana, juncus effusus, pinus nigra, pseudotsuga menziesii, holcus mollis, rhododendron ponticum, larix kaempferi, hedera helix, convallaria majalis, athyrium filix-femina, luzula pilosa, polygonatum multiflorum, juncus tenuis, maianthemum bifolium, quercus petraea, cytisus scoparius, robinia pseudoacacia, salix caprea, sambucus nigra, rumex angiocarpus, rumex acetosella, erica tetralix, picea abies, prunus avium, holcus lanatus