be, arr. tongeren, quercus robur, frangula alnus, betula pendula, pinus sylvestris, molinia caerulea, avenella flexuosa, calluna vulgaris, lonicera periclymenum, deschampsia flexuosa, pteridium aquilinum, teucrium scorodonia, vaccinium myrtillus, sorbus aucuparia, castanea sativa, quercus petraea, fagus sylvatica, carex pilulifera, prunus serotina, betula pubescens, quercus rubra, holcus mollis, ilex aquifolium, agrostis capillaris, dryopteris carthusiana, dryopteris dilatata, cytisus scoparius, hedera helix, erica cinerea, melampyrum pratense, crataegus monogyna, holcus lanatus, corylus avellana, carpinus betulus, populus tremula, potentilla erecta, juncus effusus, galium saxatile, rumex angiocarpus, rumex acetosella, pinus pinaster, festuca filiformis, hypericum pulchrum, erica tetralix, anthoxanthum odoratum, luzula multiflora, pinus nigra, moehringia trinervia, danthonia decumbens, convallaria majalis, veronica officinalis