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