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