be, arr. leuven, castanea sativa, quercus rubra, quercus robur, prunus serotina, pinus sylvestris, betula pendula, fagus sylvatica, sorbus aucuparia, carex pilulifera, vaccinium myrtillus, lonicera periclymenum, frangula alnus, molinia caerulea, avenella flexuosa, calluna vulgaris, deschampsia flexuosa, pteridium aquilinum, teucrium scorodonia, ilex aquifolium, acer pseudoplatanus, dryopteris dilatata, dryopteris carthusiana, pinus nigra, convallaria majalis, corylus avellana, quercus petraea, agrostis capillaris, betula pubescens, luzula pilosa, hedera helix, pseudotsuga menziesii, holcus mollis, cytisus scoparius, juncus effusus, picea abies, maianthemum bifolium, amelanchier lamarckii, robinia pseudoacacia, luzula multiflora, polygonatum multiflorum, prunus avium, populus tremula, melampyrum pratense, carpinus betulus, anemone nemorosa, athyrium filix-femina, salix caprea, sambucus nigra, juncus conglomeratus, hieracium umbellatum