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