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