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