be, arr. leuven, quercus robur, quercus rubra, pinus sylvestris, sorbus aucuparia, prunus serotina, vaccinium myrtillus, betula pendula, dryopteris dilatata, frangula alnus, avenella flexuosa, fagus sylvatica, deschampsia flexuosa, dryopteris carthusiana, molinia caerulea, castanea sativa, lonicera periclymenum, pinus nigra, pseudotsuga menziesii, carex pilulifera, calluna vulgaris, ilex aquifolium, betula pubescens, pteridium aquilinum, picea abies, amelanchier lamarckii, larix kaempferi, acer pseudoplatanus, quercus petraea, teucrium scorodonia, agrostis capillaris, galium saxatile, ceratocapnos claviculata, corylus avellana, luzula pilosa, juncus effusus, holcus mollis, rumex angiocarpus, larix decidua, hedera helix, maianthemum bifolium, convallaria majalis, rubus idaeus, erica tetralix, melampyrum pratense, vaccinium vitis-idaea, rumex acetosella, sambucus nigra, athyrium filix-femina, pinus strobus, rubus plicatus