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