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