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