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