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