be, arr. tongeren, pinus sylvestris, betula pendula, molinia caerulea, calluna vulgaris, avenella flexuosa, frangula alnus, deschampsia flexuosa, quercus robur, prunus serotina, carex pilulifera, pinus nigra, sorbus aucuparia, agrostis capillaris, betula pubescens, pteridium aquilinum, erica tetralix, quercus petraea, quercus rubra, vaccinium myrtillus, dryopteris carthusiana, lonicera periclymenum, fagus sylvatica, calamagrostis epigejos, cytisus scoparius, teucrium scorodonia, rumex acetosella, holcus lanatus, castanea sativa, rumex angiocarpus, juncus effusus, populus tremula, pinus pinaster, rubus fruticosus, erica cinerea, picea abies, galium saxatile, potentilla erecta, juncus conglomeratus, festuca ovina, hypericum perforatum, crataegus monogyna, ilex aquifolium, dryopteris dilatata, holcus mollis, agrostis vinealis, danthonia decumbens, hypochaeris radicata, agrostis canina, veronica officinalis, ulex europaeus