be, arr. leuven, quercus robur, castanea sativa, betula pendula, calluna vulgaris, frangula alnus, pinus sylvestris, molinia caerulea, prunus serotina, quercus rubra, vaccinium myrtillus, deschampsia flexuosa, avenella flexuosa, carex pilulifera, sorbus aucuparia, teucrium scorodonia, agrostis capillaris, lonicera periclymenum, festuca filiformis, pteridium aquilinum, rumex angiocarpus, betula pubescens, cytisus scoparius, fagus sylvatica, erica tetralix, rumex acetosella, dryopteris dilatata, agrostis vinealis, danthonia decumbens, holcus mollis, hieracium umbellatum, potentilla erecta, amelanchier lamarckii, dryopteris carthusiana, ilex aquifolium, holcus lanatus, populus tremula, luzula multiflora, pinus nigra, luzula campestris, hypochaeris radicata, genista anglica, juncus effusus, quercus petraea, robinia pseudoacacia, corylus avellana, anthoxanthum odoratum, pinus pinaster, salix caprea, erica cinerea, hypericum perforatum