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