be, arr. leuven, castanea sativa, quercus robur, betula pendula, quercus rubra, teucrium scorodonia, prunus serotina, agrostis capillaris, frangula alnus, calluna vulgaris, carex pilulifera, lonicera periclymenum, pinus sylvestris, sorbus aucuparia, molinia caerulea, pteridium aquilinum, deschampsia flexuosa, vaccinium myrtillus, avenella flexuosa, holcus lanatus, holcus mollis, rumex angiocarpus, cytisus scoparius, rumex acetosella, fagus sylvatica, hieracium umbellatum, corylus avellana, festuca filiformis, betula pubescens, juncus effusus, hypericum perforatum, anthoxanthum odoratum, acer pseudoplatanus, potentilla erecta, danthonia decumbens, juncus conglomeratus, dryopteris dilatata, luzula campestris, salix caprea, luzula multiflora, juncus tenuis, hypochaeris radicata, dryopteris carthusiana, robinia pseudoacacia, ranunculus repens, achillea millefolium, rumex acetosa, polygonatum multiflorum, sambucus nigra, cerastium fontanum, festuca rubra