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