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