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