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