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