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