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