be, arr. tongeren, quercus robur, pinus sylvestris, betula pendula, prunus serotina, vaccinium myrtillus, sorbus aucuparia, avenella flexuosa, quercus rubra, frangula alnus, deschampsia flexuosa, molinia caerulea, dryopteris carthusiana, fagus sylvatica, calluna vulgaris, dryopteris dilatata, carex pilulifera, lonicera periclymenum, betula pubescens, pseudotsuga menziesii, pteridium aquilinum, ilex aquifolium, castanea sativa, amelanchier lamarckii, agrostis capillaris, galium saxatile, quercus petraea, pinus nigra, picea abies, ceratocapnos claviculata, rumex angiocarpus, teucrium scorodonia, rumex acetosella, holcus mollis, vaccinium vitis-idaea, larix kaempferi, melampyrum pratense, rubus plicatus, erica tetralix, rubus idaeus, populus tremula, juncus effusus, luzula pilosa, maianthemum bifolium, convallaria majalis, acer pseudoplatanus, cytisus scoparius, agrostis vinealis, corylus avellana, festuca filiformis, galeopsis tetrahit