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