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