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