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