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