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