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