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