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