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