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