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