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