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