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