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