be, arr. leuven, castanea sativa, quercus rubra, quercus robur, betula pendula, prunus serotina, sorbus aucuparia, frangula alnus, pinus sylvestris, teucrium scorodonia, lonicera periclymenum, calluna vulgaris, molinia caerulea, vaccinium myrtillus, carex pilulifera, deschampsia flexuosa, avenella flexuosa, agrostis capillaris, dryopteris dilatata, pteridium aquilinum, fagus sylvatica, dryopteris carthusiana, betula pubescens, holcus mollis, corylus avellana, acer pseudoplatanus, pinus nigra, rumex angiocarpus, robinia pseudoacacia, juncus effusus, holcus lanatus, cytisus scoparius, salix caprea, hieracium umbellatum, rumex acetosella, festuca filiformis, amelanchier lamarckii, sambucus nigra, juncus conglomeratus, populus tremula, hypericum perforatum, luzula multiflora, ilex aquifolium, athyrium filix-femina, juncus tenuis, polygonatum multiflorum, hedera helix, potentilla erecta, danthonia decumbens, luzula campestris, agrostis vinealis