be, arr. tongeren, pinus sylvestris, avenella flexuosa, calluna vulgaris, quercus robur, betula pendula, deschampsia flexuosa, frangula alnus, vaccinium myrtillus, prunus serotina, molinia caerulea, sorbus aucuparia, carex pilulifera, quercus rubra, ceratocapnos claviculata, betula pubescens, agrostis capillaris, rumex angiocarpus, erica tetralix, rumex acetosella, fagus sylvatica, pteridium aquilinum, galium saxatile, lonicera periclymenum, dryopteris carthusiana, dryopteris dilatata, castanea sativa, ilex aquifolium, pseudotsuga menziesii, amelanchier lamarckii, festuca filiformis, teucrium scorodonia, holcus mollis, quercus petraea, agrostis vinealis, cytisus scoparius, danthonia decumbens, melampyrum pratense, pinus nigra, picea abies, genista anglica, vaccinium vitis-idaea, rubus plicatus, erica cinerea, spergula morisonii, holcus lanatus, populus tremula, hypochaeris radicata, juncus effusus, potentilla erecta, digitalis purpurea