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