be, arr. maaseik, pinus nigra, pinus sylvestris, quercus rubra, prunus serotina, quercus robur, betula pendula, sorbus aucuparia, avenella flexuosa, dryopteris dilatata, deschampsia flexuosa, frangula alnus, molinia caerulea, vaccinium myrtillus, dryopteris carthusiana, castanea sativa, calluna vulgaris, fagus sylvatica, pseudotsuga menziesii, amelanchier lamarckii, carex pilulifera, lonicera periclymenum, picea abies, betula pubescens, larix kaempferi, agrostis capillaris, juncus effusus, ilex aquifolium, rhododendron ponticum, pinus strobus, larix decidua, pteridium aquilinum, rumex angiocarpus, acer pseudoplatanus, ceratocapnos claviculata, rumex acetosella, teucrium scorodonia, juncus tenuis, holcus lanatus, robinia pseudoacacia, pinus pinaster, erica tetralix, calamagrostis epigejos, athyrium filix-femina, galium saxatile, holcus mollis, salix caprea, quercus petraea, corylus avellana, senecio sylvaticus, sambucus nigra