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