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