be, arr. antwerpen, quercus rubra, prunus serotina, quercus robur, sorbus aucuparia, pinus sylvestris, frangula alnus, betula pendula, dryopteris dilatata, lonicera periclymenum, castanea sativa, dryopteris carthusiana, molinia caerulea, amelanchier lamarckii, fagus sylvatica, avenella flexuosa, vaccinium myrtillus, deschampsia flexuosa, rhododendron ponticum, betula pubescens, juncus effusus, acer pseudoplatanus, alnus glutinosa, corylus avellana, agrostis capillaris, geum macrophyllum, pteridium aquilinum, athyrium filix-femina, calluna vulgaris, carex pilulifera, ilex aquifolium, pseudotsuga menziesii, larix kaempferi, urtica dioica, pinus nigra, potentilla indica, sambucus nigra, teucrium scorodonia, juncus tenuis, holcus lanatus, galeopsis tetrahit, holcus mollis, lysimachia vulgaris, hedera helix, robinia pseudoacacia, ceratocapnos claviculata, fraxinus excelsior, impatiens parviflora, picea abies, bidens frondosa, alnus incana