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