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