be, arr. leuven, quercus robur, castanea sativa, quercus rubra, agrostis capillaris, betula pendula, prunus serotina, calluna vulgaris, holcus lanatus, frangula alnus, sorbus aucuparia, lonicera periclymenum, pinus sylvestris, rumex angiocarpus, avenella flexuosa, deschampsia flexuosa, teucrium scorodonia, rumex acetosella, molinia caerulea, carex pilulifera, holcus mollis, hypochaeris radicata, cytisus scoparius, hypericum perforatum, juncus effusus, achillea millefolium, luzula campestris, anthoxanthum odoratum, vaccinium myrtillus, ranunculus repens, rumex acetosa, pteridium aquilinum, fagus sylvatica, silene coronaria, arrhenatherum elatius, robinia pseudoacacia, festuca filiformis, plantago lanceolata, festuca rubra, hieracium umbellatum, juncus tenuis, cerastium fontanum, acer pseudoplatanus, corylus avellana, amelanchier lamarckii, lolium perenne, trifolium repens, betula pubescens, sambucus nigra, pilosella aurantiaca, potentilla erecta