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