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