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