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