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