be, arr. tongeren, prunus serotina, quercus robur, pinus sylvestris, quercus rubra, sorbus aucuparia, betula pendula, avenella flexuosa, deschampsia flexuosa, frangula alnus, vaccinium myrtillus, dryopteris dilatata, fagus sylvatica, dryopteris carthusiana, molinia caerulea, calluna vulgaris, amelanchier lamarckii, castanea sativa, pseudotsuga menziesii, lonicera periclymenum, carex pilulifera, agrostis capillaris, pinus nigra, ilex aquifolium, ceratocapnos claviculata, betula pubescens, rumex angiocarpus, pteridium aquilinum, rumex acetosella, galium saxatile, picea abies, teucrium scorodonia, holcus mollis, larix kaempferi, robinia pseudoacacia, galeopsis tetrahit, acer pseudoplatanus, quercus petraea, sambucus nigra, rubus plicatus, holcus lanatus, rubus gratus, corylus avellana, agrostis vinealis, cytisus scoparius, rubus idaeus, festuca filiformis, erica tetralix, impatiens parviflora, juncus tenuis, hypericum perforatum