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