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