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