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