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