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