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