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