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