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