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