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